Population by Year. World population from 5000 BC to 2016, with annual growth rate, yearly change, population density, and urban population. All people on 1 page. View the entire current world population on a single page, showing every single person one by one, increasing in real time.
To calculate your cholesterol ratio, divide your high-density lipoprotein (HDL, or good) cholesterol number into your total cholesterol number. An optimal ratio is less than 3.5-to-1. A higher ratio means a higher risk of heart disease.
A waist circumference of more than 80 centimeters (32 inches) in women and more than 85 centimeters (34 inches) in men increased risk. Yusuf says measuring the waist is a better predictor of heart attack risk because it is a measure of abdominal fat, which is the type of fat that is most closely associated with heart attacks.