Latest article
No Sleep Guideline Anywhere Says Eight Hours
The official number is "seven or more" — a floor with no ceiling. When researchers measured sleep in three societies without electric light, every group averaged under seven.
Your Metabolism Does Not Slow Down at 30. It Holds Steady Until 63.
A study of 6,421 people across 29 countries mapped human energy expenditure from eight days old to 95. It found four life phases. None of them begins at 30.
In 1998 Millions of Americans Became Overweight Overnight. Nobody Gained Weight.
BMI was named in 1972, in a study of 7,424 men, as a tool for comparing populations. Twenty-six years later a committee moved one number and changed who counted as healthy.