|
Author Question: __________ refers to the difficulty level of the problems on an intelligence test that children can ... (Read 44 times) |
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.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
The human body produces and destroys 15 million blood cells every second.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.