Healthy Weight Ranges by Height: BMI & Ideal Weight

How These Ranges Are Calculated

The healthy weight ranges below combine two evidence-based approaches:

1. BMI range (18.5-24.9): Gives broad range representing underweight boundary to overweight boundary
2. Ideal weight formulas (Devine, Robinson, Miller): Provide specific targets based on height and sex

The ranges shown represent the full healthy spectrum, from small-framed individuals at the lower end to large-framed or more muscular individuals at the upper end.

Men's Healthy Weight Ranges by Height

Metric (Centimeters and Kilograms)

Imperial (Feet/Inches and Pounds)

Women's Healthy Weight Ranges by Height

Metric (Centimeters and Kilograms)

Imperial (Feet/Inches and Pounds)

How to Use These Ranges

Step 1: Find Your Height Range

Locate your height in the appropriate table (metric or imperial, men or women). The "Healthy Range" column shows the full spectrum from underweight boundary (BMI 18.5) to overweight boundary (BMI 24.9).

Step 2: Determine Your Frame Size

Measure your wrist circumference at the narrowest point to estimate frame size:

• Men:
  • Small: <15cm (6")
  • Medium: 15-18cm (6-7")
  • Large: >18cm (7")
• Women:
  • Small: <14cm (5.5")
  • Medium: 14-16cm (5.5-6.25")
  • Large: >16cm (6.25")

Step 3: Adjust for Frame Size

• Small frame: Aim for lower 25% of healthy range
• Medium frame: Use "Ideal Weight" column as guide (middle of range)
• Large frame: Aim for upper 25% of healthy range

Example: 5'10" Male (178cm)

• Healthy range: 59-79 kg (129-174 lbs)
• Ideal weight: 70-75 kg (154-165 lbs)
• If small frame: Target 59-66 kg (129-145 lbs)
• If medium frame: Target 70-75 kg (154-165 lbs)
• If large frame: Target 73-79 kg (161-174 lbs)

Adjustments for Special Cases

Athletes and Active Individuals

If you have significant muscle mass from strength training or sports:

• You may be healthy 5-10kg (10-20 lbs) above the upper range
• Verify with body fat percentage (should be <20% men, <28% women)
• Check waist circumference (low risk: <94cm men, <80cm women)

Older Adults (65+)

Research shows slight overweight is protective in older age:

• Optimal BMI range: 23-27 (vs 18.5-24.9 for younger adults)
• This translates to upper end of healthy range or slightly above
• Extra weight provides reserve during illness and protects bones

Different Ethnicities

• Asian populations: Lower risk thresholds; aim for lower half of ranges
• Polynesian/Pacific Islander: Higher bone density; healthy at upper ranges
• African populations: Often higher muscle mass; may be healthy above upper range

Beyond the Scale: What Else Matters

Body Composition

Two people at the same weight can have vastly different health. Prioritize:

• Muscle mass over total weight
• Body fat percentage (target: 10-20% men, 18-28% women)
• Lean mass preservation during weight loss

Waist Circumference

Strong predictor of metabolic health:

• Low risk: <94cm (37") men, <80cm (31.5") women
• Increased risk: 94-102cm (37-40") men, 80-88cm (31.5-35") women
• High risk: >102cm (40") men, >88cm (35") women

Health Markers

Weight is healthy if accompanied by:

• Normal blood pressure (<120/80 mmHg)
• Healthy fasting glucose (<100 mg/dL)
• Good cholesterol levels (HDL >40 men, >50 women; LDL <100)
• Low inflammation (CRP <1.0 mg/L)

Common Scenarios

"I'm at the upper end of my range. Should I lose weight?"

Not necessarily. Check:

• Do you have muscle mass from exercise? (May explain higher weight)
• Is your waist circumference in healthy range?
• Are your blood markers healthy?
• Do you feel good and function well?

If yes to all, your weight is fine. If no, consider body recomposition (build muscle, reduce fat) rather than just losing weight.

"I'm below the lower end. Is that bad?"

Depends on context:

• Naturally petite with small frame: May be healthy at BMI 17-18.5 if eating well and feeling good
• Endurance athlete: Lower weight can be optimal for performance if not achieved through restriction
• Unintentional weight loss or restriction: Consult healthcare provider

"The range is so wide. Where should I aim?"

Rather than one number, establish a personal 3-5kg range where you:

• Feel energetic and healthy
• Maintain muscle mass
• Have healthy body composition
• Can sustain without extreme dieting

Bottom Line

These ranges provide evidence-based targets for most people with average builds. Use them as reference points, not rigid rules. Your healthiest weight depends on:

1. Frame size (small, medium, large)
2. Body composition (muscle vs fat)
3. Activity level and fitness goals
4. Age and life stage
5. Individual health markers

Focus on maintaining a weight where you have healthy body fat percentage, good energy, optimal health markers, and can sustain with reasonable lifestyle habits. The exact number matters less than overall health and well-being.

Women's Healthy Weight Ranges by Height

Women's healthy weight ranges differ from men due to biological factors like body fat percentage and muscle mass distribution. For example, a woman who is 160cm tall typically has a healthy range of 49-66kg compared to men's 47-64kg. These ranges are calculated using the same BMI (18.5-24.9) and ideal weight formulas but adjusted for female physiology. Small-framed women may fall in the lower 25% of the range, while large-framed women may reach the upper 25%. It's important to note that these ranges are general guidelines and may not account for individual variations in body composition.

How to Interpret Your Healthy Weight Range

Understanding your healthy weight range involves more than just comparing numbers. Start by measuring your height accurately in centimeters or inches. Use the tables to find your corresponding range, then consider your frame size by comparing wrist circumference to standard thresholds (small: <15cm for women/<16cm for men, medium: 15-17cm/16-18cm, large: >17cm/>18cm). If you have above-average muscle mass, you may naturally sit at the higher end of the range. For a more personalized assessment, combine this with body fat percentage measurements and consult a healthcare professional for interpretations beyond basic BMI calculations.

Imperial (Inches and Pounds) Weight Range Table

For international users, here are the equivalent healthy weight ranges in imperial measurements: 5'0" (152cm) = 90-123lbs, 5'3" (160cm) = 98-141lbs, 5'6" (168cm) = 106-154lbs, 5'9" (175cm) = 126-170lbs. These conversions use standard BMI thresholds and account for average body composition differences. Note that frame size adjustments still apply within these ranges, and muscular individuals may naturally exceed the upper limits while maintaining health markers. Always cross-reference with metric measurements for consistency when using scientific studies or medical assessments.

Understanding Body Mass Index (BMI) and Its Limitations

Body Mass Index (BMI) is a widely used screening tool that helps categorize weight status based on height and weight measurements. It's calculated by dividing weight in kilograms by height in meters squared. While BMI provides a useful starting point for assessing health risks, it has notable limitations. BMI doesn't distinguish between muscle and fat mass, meaning athletes with high muscle density may be classified as overweight despite being healthy. Additionally, BMI may not accurately reflect health status for older adults, children, or individuals with different body compositions. For these reasons, it's important to use BMI alongside other health indicators such as body fat percentage, waist circumference, and overall fitness level when evaluating health.

How Frame Size Affects Healthy Weight Ranges

Frame size plays a crucial role in determining individual healthy weight ranges. People with small frames typically have less bone density and muscle mass, requiring lower weights to maintain health. Conversely, those with large frames may need higher weights to remain within healthy parameters. Frame size can be assessed through physical examination or by measuring wrist circumference. For example, a person with a wrist measurement under 5.5 inches is likely to have a small frame, while someone over 7 inches typically has a large frame. Understanding your frame size helps personalize weight goals and prevents unrealistic expectations that could lead to unhealthy practices. It's important to note that frame size is just one factor among many that contribute to overall health.

Practical Tips for Maintaining a Healthy Weight

Maintaining a healthy weight involves more than just hitting a specific number on the scale. Focus on building sustainable habits such as eating a balanced diet rich in whole foods, staying hydrated, and engaging in regular physical activity. Aim for at least 150 minutes of moderate-intensity exercise per week, which can include activities like brisk walking, swimming, or cycling. Prioritize strength training to build muscle mass, which can help increase metabolism and improve body composition. Remember that weight fluctuates naturally due to factors like water retention, menstrual cycles, and stress levels. Instead of fixating on daily weigh-ins, focus on how you feel, your energy levels, and overall well-being as indicators of good health.

Understanding Body Mass Index (BMI) and Its Limitations

Body Mass Index (BMI) is a widely used screening tool that helps categorize weight status based on height and weight measurements. It's calculated by dividing weight in kilograms by height in meters squared. While BMI provides a useful starting point for assessing health risks, it has notable limitations. BMI doesn't distinguish between muscle mass and fat mass, which means athletes or individuals with high muscle density may be classified as overweight despite having low body fat percentages. Additionally, BMI doesn't account for factors such as age, sex, ethnicity, or frame size, all of which can significantly influence healthy weight ranges. For these reasons, it's important to consider BMI alongside other health indicators and personal circumstances when evaluating weight goals.

How Frame Size Affects Healthy Weight Ranges

Frame size plays a crucial role in determining individual healthy weight ranges. People with small frames typically have less bone density and muscle mass, which means they may need to be at the lower end of their healthy range to maintain good health. Conversely, individuals with large frames often have more substantial bone structure and muscle mass, allowing them to carry more weight within a healthy range. Frame size can be assessed through simple measurements or by consulting with healthcare professionals. When using ideal weight formulas, adjustments for frame size help provide more personalized recommendations. For example, someone with a large frame might need to aim for the upper end of their healthy range, while those with small frames may benefit from targeting the lower end. Understanding your frame size helps ensure that weight goals are realistic and health-promoting.

Why Ideal Weight Calculators Should Be Used as Guidelines

Ideal weight calculators and formulas serve as helpful guidelines rather than strict rules for health. These tools provide estimates based on statistical averages, but individual health depends on many factors beyond weight alone. Body composition, muscle mass, fat distribution, overall fitness levels, and genetic predispositions all contribute to a person's health status. For instance, an individual with high muscle mass may exceed standard weight ranges while remaining in excellent health. Similarly, someone with a lower weight might have concerning body fat percentages or other health indicators that require attention. It's important to remember that these calculators are designed to provide general guidance and should be used alongside professional medical advice when making significant lifestyle changes. Regular health check-ups, body composition analysis, and consideration of personal goals are essential components of any comprehensive health approach.

Understanding Body Mass Index (BMI) and Its Limitations

Body Mass Index (BMI) is a widely used screening tool that helps categorize weight status based on height and weight measurements. It's calculated by dividing weight in kilograms by height in meters squared. While BMI provides a useful starting point for assessing health risks, it has notable limitations. BMI doesn't distinguish between muscle and fat mass, meaning athletes with high muscle density may be classified as overweight despite being healthy. Additionally, BMI may not accurately reflect health status for older adults, children, or individuals with different body compositions. For these reasons, it's important to use BMI alongside other health indicators such as body fat percentage, waist circumference, and overall fitness level when evaluating health.

How Frame Size Affects Healthy Weight Ranges

Frame size plays a crucial role in determining individual healthy weight ranges. People with small frames typically have less bone density and muscle mass, requiring lower weights to maintain health. Conversely, those with large frames may need higher weights to remain within healthy parameters. Frame size can be assessed through physical examination or by measuring wrist circumference. For example, a person with a wrist measurement under 5.5 inches is likely to have a small frame, while someone over 7 inches typically has a large frame. Understanding your frame size helps personalize weight goals and prevents unrealistic expectations that could lead to unhealthy practices. It's important to note that frame size is just one factor among many that contribute to overall health.

Practical Tips for Maintaining a Healthy Weight

Maintaining a healthy weight involves more than just hitting a specific number on the scale. Focus on building sustainable habits such as eating a balanced diet rich in whole foods, staying hydrated, and engaging in regular physical activity. Aim for at least 150 minutes of moderate-intensity exercise per week, which can include activities like brisk walking, swimming, or cycling. Prioritize strength training to build muscle mass, which can help increase metabolism and improve body composition. Remember that weight fluctuates naturally due to factors like water retention, menstrual cycles, and stress levels. Instead of fixating on daily weigh-ins, focus on how you feel, your energy levels, and overall well-being as indicators of good health.

Understanding Body Mass Index (BMI) and Its Limitations

Body Mass Index (BMI) is a widely used screening tool that helps categorize weight status based on height and weight measurements. It's calculated by dividing weight in kilograms by height in meters squared. While BMI provides a useful starting point for assessing health risks, it has notable limitations. BMI doesn't distinguish between muscle mass and fat mass, which means athletes or individuals with high muscle density may be classified as overweight despite having low body fat percentages. Additionally, BMI doesn't account for factors such as age, sex, ethnicity, or frame size, all of which can significantly influence healthy weight ranges. For these reasons, it's important to consider BMI alongside other health indicators and personal circumstances when evaluating weight goals.

How Frame Size Affects Healthy Weight Ranges

Frame size plays a crucial role in determining individual healthy weight ranges. People with small frames typically have less bone density and muscle mass, which means they may need to be at the lower end of their healthy range to maintain good health. Conversely, individuals with large frames often have more substantial bone structure and muscle mass, allowing them to carry more weight within a healthy range. Frame size can be assessed through simple measurements or by consulting with healthcare professionals. When using ideal weight formulas, adjustments for frame size help provide more personalized recommendations. For example, someone with a large frame might need to aim for the upper end of their healthy range, while those with small frames may benefit from targeting the lower end. Understanding your frame size helps ensure that weight goals are realistic and health-promoting.

Why Ideal Weight Calculators Should Be Used as Guidelines

Ideal weight calculators and formulas serve as helpful guidelines rather than strict rules for health. These tools provide estimates based on statistical averages, but individual health depends on many factors beyond weight alone. Body composition, muscle mass, fat distribution, overall fitness levels, and genetic predispositions all contribute to a person's health status. For instance, an individual with high muscle mass may exceed standard weight ranges while remaining in excellent health. Similarly, someone with a lower weight might have concerning body fat percentages or other health indicators that require attention. It's important to remember that these calculators are designed to provide general guidance and should be used alongside professional medical advice when making significant lifestyle changes. Regular health check-ups, body composition analysis, and consideration of personal goals are essential components of any comprehensive health approach.

Understanding Body Mass Index (BMI) and Its Limitations

Body Mass Index (BMI) is a widely used screening tool that helps categorize weight status based on height and weight measurements. It's calculated by dividing weight in kilograms by height in meters squared. While BMI provides a useful starting point for assessing health risks, it has notable limitations. BMI doesn't distinguish between muscle and fat mass, meaning athletes with high muscle density may be classified as overweight despite being healthy. Additionally, BMI may not accurately reflect health status for older adults, children, or individuals with different body compositions. For these reasons, it's important to use BMI alongside other health indicators such as body fat percentage, waist circumference, and overall fitness level when evaluating health.

How Frame Size Affects Healthy Weight Ranges

Frame size plays a crucial role in determining individual healthy weight ranges. People with small frames typically have less bone density and muscle mass, requiring lower weights to maintain health. Conversely, those with large frames may need higher weights to remain within healthy parameters. Frame size can be assessed through physical examination or by measuring wrist circumference. For example, a person with a wrist measurement under 5.5 inches is likely to have a small frame, while someone over 7 inches typically has a large frame. Understanding your frame size helps personalize weight goals and prevents unrealistic expectations that could lead to unhealthy practices. It's important to note that frame size is just one factor among many that contribute to overall health.

Practical Tips for Maintaining a Healthy Weight

Maintaining a healthy weight involves more than just hitting a specific number on the scale. Focus on building sustainable habits such as eating a balanced diet rich in whole foods, staying hydrated, and engaging in regular physical activity. Aim for at least 150 minutes of moderate-intensity exercise per week, which can include activities like brisk walking, swimming, or cycling. Prioritize strength training to build muscle mass, which can help increase metabolism and improve body composition. Remember that weight fluctuates naturally due to factors like water retention, menstrual cycles, and stress levels. Instead of fixating on daily weigh-ins, focus on how you feel, your energy levels, and overall well-being as indicators of good health.

Understanding Body Mass Index (BMI) and Its Limitations

Body Mass Index (BMI) is a widely used screening tool that helps categorize weight status based on height and weight measurements. It's calculated by dividing weight in kilograms by height in meters squared. While BMI provides a useful starting point for assessing health risks, it has notable limitations. BMI doesn't distinguish between muscle mass and fat mass, which means athletes or individuals with high muscle density may be classified as overweight despite having low body fat percentages. Additionally, BMI doesn't account for factors such as age, sex, ethnicity, or frame size, all of which can significantly influence healthy weight ranges. For these reasons, it's important to consider BMI alongside other health indicators and personal circumstances when evaluating weight goals.

How Frame Size Affects Healthy Weight Ranges

Frame size plays a crucial role in determining individual healthy weight ranges. People with small frames typically have less bone density and muscle mass, which means they may need to be at the lower end of their healthy range to maintain good health. Conversely, individuals with large frames often have more substantial bone structure and muscle mass, allowing them to carry more weight within a healthy range. Frame size can be assessed through simple measurements or by consulting with healthcare professionals. When using ideal weight formulas, adjustments for frame size help provide more personalized recommendations. For example, someone with a large frame might need to aim for the upper end of their healthy range, while those with small frames may benefit from targeting the lower end. Understanding your frame size helps ensure that weight goals are realistic and health-promoting.

Why Ideal Weight Calculators Should Be Used as Guidelines

Ideal weight calculators and formulas serve as helpful guidelines rather than strict rules for health. These tools provide estimates based on statistical averages, but individual health depends on many factors beyond weight alone. Body composition, muscle mass, fat distribution, overall fitness levels, and genetic predispositions all contribute to a person's health status. For instance, an individual with high muscle mass may exceed standard weight ranges while remaining in excellent health. Similarly, someone with a lower weight might have concerning body fat percentages or other health indicators that require attention. It's important to remember that these calculators are designed to provide general guidance and should be used alongside professional medical advice when making significant lifestyle changes. Regular health check-ups, body composition analysis, and consideration of personal goals are essential components of any comprehensive health approach.

How Frame Size Affects Your Healthy Weight Range

Frame size — whether you're small, medium, or large-boned — significantly influences where your healthy weight range falls. This is often determined by wrist circumference relative to height (e.g., measuring wrist size at the wrist bone while holding your thumb and pinky around it). For example, a man who is 175 cm tall with a small frame might have a healthy range of 57–65 kg, while a large-framed individual of the same height could be healthy at 69–77 kg. Small-framed individuals typically have less bone mass and muscle attachment points, meaning their upper healthy limit is lower. Conversely, large-framed people naturally carry more skeletal mass, allowing a higher weight without compromising health. Knowing your frame size helps personalise your target and avoid misinterpreting your BMI. You can estimate your frame size using simple at-home methods or consult your GP for a more accurate assessment during a routine check-up.

Beyond BMI: Why Body Composition Matters More Than Scale Weight

BMI is a useful screening tool, but it doesn’t distinguish between fat mass and lean mass — which is why muscular individuals often fall outside the 'healthy' BMI range despite being metabolically healthy. A person with 20% body fat and 30% muscle may weigh more than someone with 25% body fat and 15% muscle, yet be healthier overall. That’s why relying solely on weight charts can be misleading. For a more accurate picture of health, consider metrics like body fat percentage, waist-to-height ratio, blood pressure, cholesterol levels, and fasting glucose. These markers give a better sense of metabolic health than weight alone. If you’re active or strength train regularly, your healthy weight may sit at the upper end of — or even slightly beyond — the recommended range. Always consider your lifestyle, energy levels, and health markers in context, not just the number on the scale.

Age and Healthy Weight: How Needs Change Over Time

Healthy weight needs evolve with age due to changes in metabolism, muscle mass, and activity levels. After age 30, adults typically lose 3–5% of muscle mass per decade — a process called sarcopenia — which lowers resting metabolic rate and can increase fat储存 if calorie intake isn’t adjusted. Older adults may have a slightly higher BMI (up to 27) associated with lower mortality risk, a phenomenon known as the 'obesity paradox'. However, this doesn’t mean weight gain is desirable — rather, it underscores the importance of preserving muscle through resistance training and adequate protein intake. For seniors, being underweight (BMI < 18.5) carries greater health risks, including frailty, falls, and weakened immunity. Conversely, younger adults often benefit from aiming for the lower end of their healthy range to support long-term cardiovascular health. Always tailor weight goals to your age, activity level, and overall health status, not just height-based charts.

How Frame Size Affects Your Healthy Weight Range

Frame size — whether you're small, medium, or large-boned — significantly influences where your healthy weight range falls. This is often determined by wrist circumference relative to height (e.g., measuring wrist size at the wrist bone while holding your thumb and pinky around it). For example, a man who is 175 cm tall with a small frame might have a healthy range of 57–65 kg, while a large-framed individual of the same height could be healthy at 69–77 kg. Small-framed individuals typically have less bone mass and muscle attachment points, meaning their upper healthy limit is lower. Conversely, large-framed people naturally carry more skeletal mass, allowing a higher weight without compromising health. Knowing your frame size helps personalise your target and avoid misinterpreting your BMI. You can estimate your frame size using simple at-home methods or consult your GP for a more accurate assessment during a routine check-up.

Beyond BMI: Why Body Composition Matters More Than Scale Weight

BMI is a useful screening tool, but it doesn’t distinguish between fat mass and lean mass — which is why muscular individuals often fall outside the 'healthy' BMI range despite being metabolically healthy. A person with 20% body fat and 30% muscle may weigh more than someone with 25% body fat and 15% muscle, yet be healthier overall. That’s why relying solely on weight charts can be misleading. For a more accurate picture of health, consider metrics like body fat percentage, waist-to-height ratio, blood pressure, cholesterol levels, and fasting glucose. These markers give a better sense of metabolic health than weight alone. If you’re active or strength train regularly, your healthy weight may sit at the upper end of — or even slightly beyond — the recommended range. Always consider your lifestyle, energy levels, and health markers in context, not just the number on the scale.

Age and Healthy Weight: How Needs Change Over Time

Healthy weight needs evolve with age due to changes in metabolism, muscle mass, and activity levels. After age 30, adults typically lose 3–5% of muscle mass per decade — a process called sarcopenia — which lowers resting metabolic rate and can increase fat储存 if calorie intake isn’t adjusted. Older adults may have a slightly higher BMI (up to 27) associated with lower mortality risk, a phenomenon known as the 'obesity paradox'. However, this doesn’t mean weight gain is desirable — rather, it underscores the importance of preserving muscle through resistance training and adequate protein intake. For seniors, being underweight (BMI < 18.5) carries greater health risks, including frailty, falls, and weakened immunity. Conversely, younger adults often benefit from aiming for the lower end of their healthy range to support long-term cardiovascular health. Always tailor weight goals to your age, activity level, and overall health status, not just height-based charts.

How Frame Size Affects Your Healthy Weight Range

Frame size — whether you're small, medium, or large-boned — significantly influences where your healthy weight range falls. This is often determined by wrist circumference relative to height (e.g., measuring wrist size at the wrist bone while holding your thumb and pinky around it). For example, a man who is 175 cm tall with a small frame might have a healthy range of 57–65 kg, while a large-framed individual of the same height could be healthy at 69–77 kg. Small-framed individuals typically have less bone mass and muscle attachment points, meaning their upper healthy limit is lower. Conversely, large-framed people naturally carry more skeletal mass, allowing a higher weight without compromising health. Knowing your frame size helps personalise your target and avoid misinterpreting your BMI. You can estimate your frame size using simple at-home methods or consult your GP for a more accurate assessment during a routine check-up.

Beyond BMI: Why Body Composition Matters More Than Scale Weight

BMI is a useful screening tool, but it doesn’t distinguish between fat mass and lean mass — which is why muscular individuals often fall outside the 'healthy' BMI range despite being metabolically healthy. A person with 20% body fat and 30% muscle may weigh more than someone with 25% body fat and 15% muscle, yet be healthier overall. That’s why relying solely on weight charts can be misleading. For a more accurate picture of health, consider metrics like body fat percentage, waist-to-height ratio, blood pressure, cholesterol levels, and fasting glucose. These markers give a better sense of metabolic health than weight alone. If you’re active or strength train regularly, your healthy weight may sit at the upper end of — or even slightly beyond — the recommended range. Always consider your lifestyle, energy levels, and health markers in context, not just the number on the scale.

Age and Healthy Weight: How Needs Change Over Time

Healthy weight needs evolve with age due to changes in metabolism, muscle mass, and activity levels. After age 30, adults typically lose 3–5% of muscle mass per decade — a process called sarcopenia — which lowers resting metabolic rate and can increase fat储存 if calorie intake isn’t adjusted. Older adults may have a slightly higher BMI (up to 27) associated with lower mortality risk, a phenomenon known as the 'obesity paradox'. However, this doesn’t mean weight gain is desirable — rather, it underscores the importance of preserving muscle through resistance training and adequate protein intake. For seniors, being underweight (BMI < 18.5) carries greater health risks, including frailty, falls, and weakened immunity. Conversely, younger adults often benefit from aiming for the lower end of their healthy range to support long-term cardiovascular health. Always tailor weight goals to your age, activity level, and overall health status, not just height-based charts.