|
|
There are 20 feet of blood vessels in each square inch of human skin.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Blood is approximately twice as thick as water because of the cells and other components found in it.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.