April 29, 2011 In her new book "Blood Work: A Tale of Medicine and Murder in the Scientific Revolution, Vanderbilt University professor Holly Tucker tells the sometimes gory history of blood transfusions, a practice that she says began before doctors knew anything about blood types or immunology.
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April 29, 2011 Medicare could save millions if patients with macular degeneration switch to a $50 cancer drug that's just as effective as a $2,000 drug approved for the eye disease. But it was a long haul to get the clinical trial done to prove it.
April 28, 2011 One new drug to treat hepatitis C won an FDA advisory panel's approval Wednesday, and a second drug is expected to get the green light Thursday. Panelists were highly enthusiastic about the drugs' efficacy, though questions remain about side effects and who will benefit.
Test tubes for insulin.
Neil Brake/Vanderbilt Medical Center
April 27, 2011 Gastric bypass surgery cures type 2 diabetes in up to 80 percent of patients. Now scientists are beginning to figure out why. And weight loss may be the least of it.
Even though heart attack rates are dropping, some victims are not yet getting the best care.
April 26, 2011 Getting the best heart attack care is still something of a crap shoot –- in the United States as well as Sweden, where a new study shows deaths from heart attacks dropping after best practices were implemented.
April 26, 2011 It's hard to exercise when you have heart failure; shortness of breath and lack of energy are common. Tai chi, the ancient Chinese exercise, seems tailor made for people with this chronic condition. New research shows boosts mood, and improves quality of life.
Feeling depressed? It might be the Advil.
April 25, 2011 Nonsteroidal anti-inflammatory drugs make SSRI antidepressants less effective, which may help account for the fact that the widely used antidepressants don't help many people.
If you can't wrinkle your brow, you might not know how I'm feeling.
April 25, 2011 That Botox-smoothed brow may make it harder for someone to empathize with other people's feelings. That's because we tend to mirror each others' expressions while talking. And it may be the muscles of the face that help us key into those emotions.
Emery Brown is a professor of computational neuroscience and health sciences and technology, with a joint appointment at MIT and Harvard University. He is also a professor of anesthesia at Harvard Medical School.
April 25, 2011 Anesthesiologist Emery Brown explains what physicians know — and what they don't know — about the effects of anesthesia. Unlocking its mysteries, he says, will help scientists better understand consciousness and sleep — and could lead to better treatments for pain, sleep disorders and depression.
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Bite me: Could malaria-infected mosquitoes protect against the disease?
April 25, 2011 Coming up with vaccine against malaria has proven to be exceedingly difficult. Dutch researchers have found some small success by "vaccinating" people with mosquito bites.
April 22, 2011 If you've never mastered the game of Operation, maybe a robot could help. A Johns Hopkins roboticist shows how it's done in a video that contrasts very high- and very low-tech approaches.
April 22, 2011 Two studies find evidence that a newer type of oral contraceptive may increase the risk a woman will develop dangerous blood clots. But a leading maker of the pills defended them and said the new studies are flawed.
April 22, 2011 For the first time in 27 years, the guidelines clinicians use for diagnosing Alzheimer's disease have changed, emphasizing earlier detection and biological tests for the illness. The National Institute on Aging's Creighton Phelps explains the changes and why they were made.
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A brain tumor is highlighted in blue on this MRI taken of the human brain. There were 43,800 new cases of brain tumors in the United States in 2005.
National Cancer Institute
April 22, 2011 Oncologist Siddhartha Mukherjee chronicles how our understanding of cancer has evolved in his new book The Emperor of All Maladies: A Biography of Cancer.
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April 21, 2011 Antidepressants leave many people struggling to fall asleep in the middle of the night. Insomnia, decreased concentration, and other symptoms that can make life miserable taking the medicines.
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