Word: variants
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Dates: during 2000-2009
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...Harvard-affiliated Whitehead Center for Genome Research has started work with 14 other research groups worldwide to map variant genes thought to underlie common diseases like diabetes, asthma and cancer...
...worked to identify genes associated with disease and found that a genetic variant common in the human population increases the risk of contracting type 2 diabetes...
Indeed, some researchers have major reservations about the project for this very reason—questioning whether the HapMap approach can be useful in tracking down the variant genes involved in common diseases...
...toxicity of the substances they ingested in the hope of shedding offending kilograms. From differing ethnicities and socioeconomic backgrounds and ranging in age from 16 to 60, the women had one thing in common: like De Cruz, they were all taking Chinese-made diet pills containing a variant of fenfluramine, an appetite suppressant that has been banned in the U.S. since 1997 for damaging heart valves. Doctors and health officials in Asia now believe the newer compound, called N-nitroso fenfluramine, can cause liver failure...
Shower stalls are particularly suspect. Some doctors believe that mycobacteria from the pipes are becoming aerosolized in water spray. The more enclosed a shower stall, the greater the buildup of germ-infested spray. (A variant of the illness--sometimes called hot-tub lung--occurs when people develop an allergic reaction to the mycobacteria in indoor hot tubs.) Making matters worse, says Dr. Michael Iseman of National Jewish, "we have changed the way we treat our water." Since the 1970s, the temperature of most hot-water heaters has been reduced to 120[degrees] to save energy and prevent scalding--perfect conditions...