Word: vitaminized
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Dates: during 1990-1999
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...patients found to have Parkinson's disease, vitamin E may hold special promise. The nutrient seems to delay the appearance of tremors, rigidity and loss of balance, thus postponing the need for therapy with dopamine. The vitamin also appears to alleviate some of the unpleasant side effects of antipsychotic drugs, such as twitchy hands, face and feet...
Holding center stage in antioxidant circles, however, is beta carotene, a complex deep orange compound that is naturally abundant in sweet potatoes, carrots and cantaloupes. Beta carotene is turned into vitamin A by the body as needed. That makes it impossible to overdose on beta carotene, even though taking too much vitamin A can lead to liver damage and other effects...
...vitamin research surges, confusion swirls around two basic questions: How much of these nutrients is needed, and what's the best way to get them -- in food or in supplements? For half a century, Americans' vitamin intake has been guided by the Recommended Daily Allowances, or RDAs. Introduced during World War II as a way to ensure that military recruits did not suffer from malnutrition, the levels quickly became a standard for the general population. Technically the National Academy of Sciences sets different RDAs for people of different ages and sexes, but to simplify matters, the FDA has since...
...move to slash RDAs, scheduled to go into effect next year, flies in the face of research that suggests benefits from higher doses of vitamins. The current RDA for vitamin C, for example, is 60 mg. But to get a protective effect against cataracts or cancer may require as much as 100 mg. Similarly, vitamin E may need a boost from the RDA of 10 mg to 100 mg. (There is no RDA for beta carotene, but scientists speculate that 25 mg or more a day could be needed...
...their focus on preventing scurvy and other rare deficiency problems, to be irrelevant to real health needs. "Our clientele generally thinks of the RDA as a kind of joke," says Sandy Gooch, owner of the chain of seven Mrs. Gooch's markets in Southern California. What's actually needed, vitamin advocates suggest, is guidelines for optimal consumption. That amount may very well depend upon age, sex and life-style habits...