Word: toxically
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...landmark experiment performed in 1990 by NIH Drs. W. French Anderson, Michael Blaese and Kenneth Culver on two Ohio girls, ages 4 and 9. Neither child was producing ADA, an enzyme that rids the bloodstream of harmful metabolic products. The absence of ADA can cause SCID by allowing toxic substances to accumulate and destroy immune-system cells. Both children had been kept alive by weekly injections of PEG-ADA, a costly synthetic enzyme, but neither was in good health...
Should people start stocking up on vitamin E? Not necessarily. Although most scientists believe that large doses are not toxic in the short term, no one knows about safety over the long run. Some researchers caution that taken in such large amounts, the supplement is no longer a vitamin but a drug and should be thoroughly tested. In any case, vitamin supplements cannot substitute for good health habits. Unfortunately for those who want a quick fix, getting plenty of exercise, cutting down on dietary fat and quitting smoking remain far better prescriptions for preventing heart disease than anything...
...Environmental Protection Agency has completed a survey of lead in U.S. drinking water. The result: 819 water systems, serving 30 million people, have too much of the toxic metal. Most of the bad systems were in the East...
...determine whether whaling is harming a species. Moreover, no one yet knows how hunting interacts with other pressures that affect whale populations, including pollution and shipping traffic. Beluga whales that wash ashore at the confluence of Canada's St. Lawrence and Saguenay rivers are often so loaded with toxic chemicals that they are treated as hazardous waste...
While many nutrition experts caution against taking high doses of vitamin E and other Fat-soluble vitamins, Rimm said vitamin E is one of the least toxic of the vitamins...