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  • Food for Thought

    Troubling Meaty 'Estrogen'

    Women take note. Researchers find that a chemical that forms in overcooked meat, especially charred portions, is a potent mimic of estrogen, the primary female sex hormone. That's anything but appetizing, since studies have linked a higher lifetime cumulative exposure to estrogen in women with an elevated risk of breast cancer.

    Indeed, the new finding offers a "biologically...

    10/17/2007 - 01:38 Nutrition
  • News

    Drug Overflow: Pharmaceutical factories foul waters in India

    Pharmaceuticals ranging from painkillers to synthetic estrogens can harm aquatic life when they enter waterways through human excreta, hospital and household waste, and agricultural runoff. Now, researchers have shown that there's another way for such drugs to get into the environment: A treatment plant in India that processes wastewater from pharmaceutical manufacturers discharges highly...

    08/08/2007 - 16:25 Earth & Environment
  • Food for Thought

    Sour Genes, Yes—Salty Genes, No

    Some people abhor broccoli, complaining about its intensely bitter taste. Others (myself included) find broccoli's flavor interesting and pleasing—decidedly, not bitter. What leads to our differing culinary opinions is the possession of, or lack of, (in my case, evidently) genes conferring a super sensitivity to bitter taste. Science has recognized such genetic differences for at least a...

    07/18/2007 - 09:52 Science & Society
  • Feature

    Restoring Scents

    Betty (not her real name) remembers the day 9 years ago when she fully experienced an orange. As she split the fruit's skin, citrus scents sprayed into the air and the 51-year-old woman experienced a sensory epiphany: "Whoa! This is an orange. My God, this is what an orange smells like."

    Even now, she says, recalling that day "makes me tear up...

    07/02/2007 - 11:49 Biomedicine
  • News

    New solutions for unused drugs

    A dilute stream of prescription drugs flows through the nation's rivers. To help cut that flow, representatives of the federal government and a pharmacists' trade group want consumers to stop flushing most old drugs down the toilet.

    Some 3 to 7 percent of dispensed medicines go unused, according to estimates by the Pharmaceutical Research and Manufacturers of America in...

    04/03/2007 - 18:21 Earth & Environment