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Author Question: According to Kingsley Davis, a manifest function of prostitution is that it: a. provides a sexual ... (Read 138 times) |
Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
There are 20 feet of blood vessels in each square inch of human skin.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.