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  1. Humans

    Letters from the December 4, 2004, issue of Science News

    Shouting about decaf? As a decaf drinker, I found myself shouting, “What about caffeine”?” as I read “Coffee’s curious heart effects” (SN: 10/2/04, p. 222: Coffee’s curious heart effects). How can any report not, at least, mention its involvement or lack thereof? Greg TulloRaleigh, N.C. Researcher Pertti Happonen suspects that caffeine was responsible for the […]

    By Science News
  2. Health & Medicine

    Antioxidant Booster: Protein curbs lung damage caused by smoke

    A protein called Nrf2 defends against emphysema by activating dozens of genes that combat free radicals and toxic pollutants, a study in mice suggests.

    By Nathan Seppa
  3. Health & Medicine

    Stones-Be-Gone: Gene-targeting drug restores chemical balance protecting the gallbladder

    A drug tested in mice prevents gallstones by stimulating a gene that controls levels of different chemicals in the gallbladder.