Ingrown toenails are hereditary.
15
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Enamel is hardest substance in the human body.
61
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human heart creates enough pressure to squirt blood 30 ft.
37
A woman's sense of smell is most sensitive during ovulation.
34
