Word: protoporphyria
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Dates: during 1970-1979
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...Erythropoietic protoporphyria (EPP) is an uncommon condition; in the entire U.S. there are no more than a thousand known victims. But those who have this metabolic abnormality must lead highly sheltered lives; sunlight causes their skin to swell or break out in blisters. Some victims develop gallstones. In the past, victims of EPP have had to avoid direct sunlight as much as possible, covering up or staying indoors entirely during the summer months. Now they have an alternative. A team of researchers headed by Dr. Micheline M. Mathews-Roth of Harvard Medical School has found that betacarotene, a substance that...
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