Source: United Nations (U.N.) Population Division, Demographic Indicators, 1950-2050 (The 1996 Revision) (U.N., New York, 1996).

Why should one practice prevention?

The world is healthier than it has ever been, with a 30 year global increase in the past 100 years. The dramatic increase in life expectancy that was observed in the past century in both developing and developed world can be attributed primarily to improved preventive practices, not to advances in clinical medicine. It has been estimated that the majority of the increase in life expectancy was due to prevention.

Slide created by GHN Supercourse group