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Author Question: For safety in climbing, a mountaineer uses a 50-m long nylon rope that is 1.0 cm in diameter. When ... (Read 170 times) |
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.