Explore the latest published articles on finance, health, math, and engineering.
Posted By: Jordan Hayes
A calorie deficit drives fat loss — but the size of the deficit matters as much as the deficit itself. Too large and you lose muscle, slow your metabolism, and regain the weight. Here is the science of doing it right.
Posted By: Jordan Hayes
Your TDEE — Total Daily Energy Expenditure — is the single most important number for any fitness or weight goal. Here is how to calculate it accurately and what to do with the result.
Posted By: Jordan Hayes
Standard BMI charts use the same thresholds for a 25-year-old and a 65-year-old. That's a problem. Here's what the research says about ideal BMI ranges at every decade of life.
Posted By: Jordan Hayes
The standard BMI formula has a known mathematical flaw that skews results for tall and short people. Oxford mathematician Nick Trefethen proposed a corrected formula using height^2.5 instead of height squared. This guide covers the full formula, 5 worked examples, limitations, and whether you should use it.
Posted By: Jordan Hayes
BMI is the most widely used health screening metric in the world — and the most misunderstood. This guide covers the exact formula, what the ranges mean, 7 major limitations, how BMI compares to body fat %, and what the latest 2026 research says.
Posted By: Jordan Hayes
Your BMR accounts for 60–75% of the calories you burn daily — even while sleeping. This guide explains what BMR is, the three formulas used to calculate it, what actually affects your metabolism, and how to use BMR for weight loss, muscle gain, or maintenance — with real examples and research.
Posted By: Jordan Hayes
We tested 6 free calorie/TDEE calculators — MyFitnessPal, Calculator.net, NIDDK, Mayo Clinic, Healthline, and CalculatorApp.me — for formula accuracy, macro breakdowns, and ad experience.
Posted By: Jordan Hayes
We tested 7 free BMI calculators — CDC, WHO, Calculator.net, Mayo Clinic, NHS, Healthline, and CalculatorApp.me — for accuracy, body composition context, and actionable insights.
Posted By: Jordan Hayes
You cycle through 4 sleep stages every 90 minutes. Learn how REM and deep sleep affect recovery, memory, and health — and why waking mid-cycle makes you feel terrible.
Posted By: Jordan Hayes
Normal blood pressure is below 120/80 mmHg. Learn what systolic and diastolic numbers mean, the 5 BP categories, risk factors, and evidence-based strategies to lower your readings.