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Author Question: Val works as a lifeguard, and her friend works in a fast-food restaurant. Compared to her friend, ... (Read 168 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.
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
The average office desk has 400 times more bacteria on it than a toilet.