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Author Question: Questions that place the respondent on the spot or which might offend him or her, but which are ... (Read 32 times) |
Asthma cases in Americans are about 75% higher today than they were in 1980.
There are 20 feet of blood vessels in each square inch of human skin.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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).