|
|
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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.