|
Author Question: The energizing period of sleep during which dreams occur is A) non-REM sleep. B) REM sleep. C) ... (Read 109 times) |
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Blood is approximately twice as thick as water because of the cells and other components found in it.