The Nobel Prize in Physiology or Medicine 2013 goes to three scientists for discovering how cells secrete hormones and neurotransmitters. The research provided sweeping insights into how the brain transmits signals, the immune system attacks pathogens and insulin gets into the bloodstream.
The Obama administration is scrambling to fix problems with the president's online health insurance marketplace. Diane and her guests discuss what's at stake politically and prospects for getting the new health insurance exchanges fully operating by a mid-December deadline.
The trio was celebrated by the Nobel committee for unlocking a key mystery of cell function. The researchers "have revealed the exquisitely precise control system for the transport and delivery of cellular cargo," the committee says.
The majority of the nation's pears grow in the Pacific Northwest, and this year's harvest is predicted to be one of the largest in history. But farmers are facing a shortfall that's been plaguing many agricultural industries: not enough workers to pick the fruit.
Anorexia and bulimia, eating disorders once thought to affect only girls and women, affect a growing number of boys and men. Boys as young as 9 and 10 are feeling the pressure to be ripped and muscular, psychologists say. But they can have a hard time finding a treatment program geared to males.
Intrauterine devices are more than 99 percent effective in preventing pregnancy — and they work for years. But misnomers about side effects and high initial costs have kept many women in the U.S. from using them. Health organizations and private companies are looking for ways to change that.
Reading literary fiction improves people's ability to recognize other people's mental states, while popular fiction and nonfiction do not, a study says. That may be because literary fiction tends to focus on the psychology and inner lives of the characters.
Hormone replacement therapy used to be considered a fountain of youth for women. Then studies from the Women's Health Initiative found that HRT raised women's risk of chronic diseases. A final report from the massive study says hormone therapy can help younger women manage menopause symptoms, but it isn't safe for use long-term.
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