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Sexploration — By Brian Alexander |
 Sorry, guys: 80 percent of women fake it A new study shows that women's seemingly uncontrollable vocalizations during apparent orgasm are often play-acting meant to boost his ego — and get it over with. |
Breaking Bioethics — By Arthur Caplan |
 Opinion: Stem cell clinics ripping off patients No one likes a bully. Intimidation is a rotten way to get what you want. Yet that's what some in the stem cell therapy industry are trying to do to a group of scientists trying to speak up about the often fraudulent nature of their business, writes bioethicist Art Caplan. |
Second Opinion — By Robert Bazell |
 Dispute behind Nobel Prize for HIV research The announcement of the 2008 Nobel Prize in medicine brings another chapter, perhaps the concluding one, to one of the ugliest controversies in modern medical science. |
 | Free video: Health |
 TODAY Obesity now classified as a disease A new decision by the American Medical Association to classify obesity as a disease could change the way doctors and insurance companies treat and cover obese patients. NBC’s Dr. Nancy Snyderman discusses what it could mean for people who struggle with their weight. |
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