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...ages 12 to 18 and asked them to fill out a questionnaire about their tendency to engage in behaviors such as driving without a license, having unprotected sex and using drugs. Then they had the kids undergo a relatively new kind of brain scan called diffusion tensor imaging, a type of magnetic resonance imaging that is used to look at dense tissues like white matter. After analyzing the scans, the authors found a strong correlation between how risky the students described their behavior to be and how sophisticated their white matter was. The more mature the look of the brain...
This week, scientists at the Harvard Stem Cell Institute (HSCI) reported the first success in generating new populations of insulin-producing cells using skin cells of Type 1 diabetes patients. The achievement involved the newer embryo-free technique for generating stem cells, and marked the first step toward building a treatment that could one day replace a patient's faulty insulin-making cells with healthy, functioning ones. (See the top 10 medical breakthroughs...
...longest-term study of its kind, researchers pitted two popular diets head to head - a low-fat American Heart Association-style diet and a carb-controlled Mediterranean diet, each combined with regular physical activity - in a population of overweight patients who had Type 2 diabetes...
...study involved 215 overweight adults in Naples, Italy, who were newly diagnosed with Type 2 diabetes. Patients were randomly divided into two diet groups: the low-fat eaters were instructed to follow a regimen rich in whole grains, fruits and vegetables and low in additional fats, sweets and high-fat snacks; no more than 30% of daily calories were to come from fat and no more than 10% from saturated fat. The Mediterranean-diet group was taught to eat lots of fruits, vegetables, whole grains and healthy fats, including olive oil, with an emphasis on lean protein sources such...
While diabetes doctors generally agree that the first line of defense against Type 2 diabetes should always be exercise and diet, many recommend also using drugs. For its part, the American Diabetes Association advises patients with Type 2 diabetes to make appropriate lifestyle changes and to start a drug regimen immediately upon diagnosis. Dr. R. Paul Robertson, a spokesperson for the organization, says that for people with diabetes, "the goal should not be to avoid drugs. It is to do everything you can to keep your sugar levels down...