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Study says Atkins diet is best; others doubt it (Science/Technology, 6 articles)
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ATLANTA - A low-carb diet and a Mediterranean-style regimen helped people lose slightly more weight than a traditional low-fat diet in one of the longest and largest studies to compare the dueling weight-loss techniques. The dieters were assigned to follow one of three types of diets - a diet with about 30 percent fat, based on American Heart Association guidelines; a Mediterranean diet; and a low-carbohydrate diet based on the Atkins diet plan. While there has been concern that low-carb diets can be harmful to cardiovascular health, Stampfer said that the participants who followed the low-carb and Mediterranean diets actually had better cardiovascular health than those in the low-fat group. The Atkins dieters lost an average of 12 pounds compared to an average of 10 pounds for the Mediterranean dieters and an average of 7.3 pounds for the low-fat dieters. In the ongoing battle royale between the hottest American trend diets, it seems one of them in particular always wins title of "most widely followed trend diet" - the standard low-fat diet. The study has already reignited a debate within the diet and nutrition community that could determine the eventual fate of the low-fat diet.
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Other stories about diet, obesity and weight:
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Alzheimer's drug trial 'promise' (Science/Technology, 4 articles)
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A drug once used to treat hayfever "significantly improves" symptoms in patients with mild to moderate Alzheimer's disease, research suggests. Now US researchers have found it can improve memory, behaviour and ability to conduct simple activities like eating in patients with dementia. In the trial of 183 people who all had untreated mild to moderate dementia, which was carried out in Russia, half were given 20 mg of dimebon 20 three times a day while the rest were given a dummy pill.
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Apple's new App Store for iPhone stuff is addictive (Science/Technology, 4 articles)
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You access it by pressing an icon on the iPhone or iPod Touch home screen or through iTunes software on your computer. That includes downloads to the new iPhone 3G, older iPhones loaded with the new 2.0 software upgrade, and iPod Touch devices We all know about the Apple philosophy of keeping supply short to keep the punters keen but in this case it has backfired bigtime.
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Vast iceberg breaks off Wilkins Ice Shelf in Antarctic (Science/Technology, 4 articles)
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The Emperor penguins which won the hearts of millions of children in the film Happy Feet have suffered a devastating population slump in the last 50 years, according to a report. Many colonies have fallen in size by 50 per cent as the penguins have been squeezed by the effects of climate change and overfishing, the WWF said in its report, Antarctic Penguins and Climate Change. Emperor penguins are one of four species of penguin which breed on the Antarctic ice and are increasingly being driven from their traditional territories.
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Genetic mutation linked to Africans' HIV susceptibility (Science/Technology, 7 articles)
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WASHINGTON - A gene variant that emerged thousands of years ago to protect Africans from malaria may raise their vulnerability to HIV infection but help them live longer once infected, researchers said yesterday. People with the version of the gene have a 40 percent higher risk of becoming infected with the human immunodeficiency virus, or HIV, researchers in the United States and Britain wrote in the journal Cell Host & Microbe. Sexual behavior and other social factors cannot completely explain why more than two-thirds of the world's 33 million people infected with HIV live in sub-Saharan Africa, the researchers said.
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NASA moon capsule work behind schedule (Science/Technology, 4 articles)
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In Monday's Science Page story, Kaufman writes: By the end of the year, the world's greatest telescope should be able to see deeper into space and further back in time than ever. NASA scientists, engineers and astronauts are finalizing plans to fly the space shuttle this fall on a mission to the Hubble Space Telescope to repair and upgrade the orbiting observatory that revolutionized astronomy. (Pablo Martinez Monsivais/Associated Press) A top NASA official says money problems will likely force the space agency to abandon its ambitious internal goal of having a new moon spaceship ready by 2013.
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Huge gap in world cancer survival (Science/Technology, 4 articles)
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The decline suggests that high-profile initiatives such as the "deep clean" of all hospitals may have had the desired effect. A genetic variant which is carried by 90 per cent of Africans has been found to raise the risk of infection by 40 per cent. The US, Australia, Canada, France and Japan had the highest five-year survival rates, while Algeria had the worst, Lancet Oncology reported.
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blaster@cs.columbia.edu
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