Health articles
Practical tools and evidence-based explainers for fitness, nutrition, and wellness.
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- Jun 28, 2026
Blood Pressure Categories - What Numbers Mean (2026)
Understand 2026 blood pressure categories: normal, elevated, stage 1 and 2 hypertension. See AHA ranges and when to act. Free BP calculator.
- Jun 28, 2026
BMI vs Body Fat Percentage - Which Matters? (2026)
Compare BMI vs body fat percentage in 2026: accuracy, limits, and athlete examples. See healthy ranges by age. Free body fat calculator.
- Jun 28, 2026
Healthy BMI for Women Over 40 - Ranges (2026)
Learn healthy BMI ranges for women over 40 in 2026. Age context, waist limits, and body composition notes. Free BMI calculator.
- Jun 28, 2026
Heart Rate Zones - Fat Burn & Cardio (2026)
Learn heart rate zones for fat burn and cardio in 2026. Zone 2 vs Zone 4 examples with max HR formulas. Free heart rate zone calculator.
- Jun 28, 2026
Calories to Lose Weight by Age & Activity (2026)
Find how many calories to eat to lose weight by age and activity in 2026. TDEE examples and safe 500-calorie deficits. Free calorie deficit calculator.
- Jun 28, 2026
Macro Split - Weight Loss vs Muscle Gain (2026)
Compare macro splits for weight loss vs muscle gain in 2026. Protein targets, carb timing, and 180 lb examples. Free macro calculator.
- Jun 28, 2026
Ovulation Calculator - Fertile Window Guide (2026)
Find your fertile window with a 2026 ovulation calculator. Cycle length, LH surge timing, and 5-day conception examples. Free ovulation calculator.
- Jun 28, 2026
Pregnancy Due Date Calculator - How It Works (2026)
Learn how pregnancy due dates are calculated in 2026: LMP, Naegele's rule, and ultrasound dating. See week-by-week examples. Free due date calculator.
- Jun 28, 2026
Sleep Calculator - Best Bedtime & Wake Time (2026)
Use a 2026 sleep calculator to find ideal bedtime or wake time based on 90-minute cycles. 7.5 vs 9 hour examples. Free sleep calculator.
- Jun 28, 2026
TDEE Calculator Results - What To Do (2026)
Got your TDEE? Learn what to do next in 2026: deficits, surpluses, and macro steps from your burn number. Free TDEE calculator.