|
|
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
There are 60,000 miles of blood vessels in every adult human.

