The largest cell in the human body is the female egg and the smallest is the male sperm.
682
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
56
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
On average, women have always lived longer than men.
195
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21