Health

Facebook Twitter

Stress

Body-Mass Index, Waist-to-Height Ratio and More... Waist is usually measured at one inch above the navel.

Body-Mass Index, Waist-to-Height Ratio and More...

Body-Mass Index (BMI) The body-mass index (BMI) is calculated by dividing your weight (in kg) by the square of your height (in meters). 10 Machines You Shouldn't Use - Page 1 - MSN Health & F. New Ways To Fight Aging. New Research Shows Artificial Light at Night Stimulates Breast C. Results from a new study in laboratory mice show that nighttime exposure to artificial light stimulated the growth of human breast tumors by suppressing the levels of a key hormone called melatonin.

New Research Shows Artificial Light at Night Stimulates Breast C

The study also showed that extended periods of nighttime darkness greatly slowed the growth of these tumors. The study results might explain why female night shift workers have a higher rate of breast cancer.