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Author Question: Sarah would hog the remote control so that she could switch to other channels during the commercial ... (Read 35 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).
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Thyroid conditions may make getting pregnant impossible.
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).