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Author Question: A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = ... (Read 1026 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).
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Thyroid conditions may make getting pregnant impossible.