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Author Question: A hydrocarbon of unknown formula CxHy was submitted to combustion analysis with the following ... (Read 477 times) |
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
Asthma cases in Americans are about 75% higher today than they were in 1980.
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).