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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Asthma cases in Americans are about 75% higher today than they were in 1980.
In 1864, the first barbiturate (barbituric acid) was synthesized.
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).
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.