Word: experimenter
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Ironically, the trial that exposed the heart risks of COX-2 inhibitors was a cancer experiment, designed to test whether Vioxx or Celebrex could prevent the recurrence of colon cancer. It was halted before any conclusion could be reached. The situation was even more frustrating for patients in a second...
That's exactly what happened last week. Researchers at the Karolinska Institute in Sweden who had earlier shown that hormonelike pheromones stimulate the human hypothalamus--a part of the brain that governs sexual arousal--took the experiment one provocative step further. Writing in the Proceedings of the National Academy of...
The experiment was elegantly simple. Just as they had in a series of tests in 2001, the Swedish scientists isolated two substances suspected of being human pheromones--an estrogen-like chemical distilled from women's urine and a testosterone-related chemical derived from male sweat. Using both MRI and PET...
All that had been shown before. What was new in the recent experiments was the inclusion of gay men. "Gay men are a great control group for this kind of study," says Hamer, "because they're pretty much the same as straight men except for that one factor." Sure enough...
You might be able to test the proposition, says Hamer, by doing the experiment on people at different ages, to see if the response changes after early childhood. Nobody has tried that yet. The Swedish team is currently working on a related study to test how lesbians respond to female...