Which health metric is most important?

Body fat percentage combined with waist circumference. These metrics give a complete picture of health beyond what the scale shows.

How often should I measure body composition?

Every 2-4 weeks is sufficient. Daily measurements create noise and stress. Consistency matters more than frequency.

What is a healthy body fat percentage?

For men: 14-17% is fit, 18-24% is average. For women: 21-24% is fit, 25-31% is average. Athletes and younger people may have lower percentages.

Are smart scales accurate for body fat?

Smart scales have a 3-5% margin of error. They are good for tracking trends over time but not for absolute values. DEXA scans are more accurate.

Is BMI a reliable health metric?

BMI is flawed because it does not distinguish between muscle and fat. Many healthy people are misclassified as overweight by BMI standards.

Why is waist circumference more important than weight?

Waist circumference indicates visceral fat, which is the dangerous fat around organs. It is a stronger predictor of health risks than BMI.

What is a healthy resting heart rate?

For adults, 60-100 bpm is average, but 50-70 bpm indicates better cardiovascular fitness. Each 10 bpm decrease correlates with 10% lower cardiovascular risk.

Do I need expensive equipment to track health metrics?

No. A $2 tape measure for waist circumference and free online calculators are sufficient for most people. Expensive gadgets are helpful but not essential.

Loading I Tracked 47 Biometrics for 90 Days: The Uncomfortable Truth About Health Data

I Tracked 47 Biometrics for 90 Days: The Uncomfortable Truth About Health Data

I measured everything from BMI to body fat for 90 days straight. Here's what actually changed, what was pointless, and the three free calculators that actually matter.

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