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  • Letters to the Editor

    Puzzling cosmic signals, processed food defined and more reader feedback

    To edit or not

    A controversial paper about modifying genes in fertilized human eggs raised some serious ethical concerns. Tina Hesman Saey covered researchers’ arguments for and against this type of...

    07/01/2015 - 09:14 Cells, Nutrition, Astronomy
  • News

    Curtailing calories on a schedule yields health benefits

    Diet smarter, not longer.

    Slashing your food intake for just five consecutive days a month can yield a bounty of health benefits, say researchers from the University of Southern California. This briefer approach to caloric restriction, a severe form of dieting, challenges previous research that dieters might need to tighten their belts as often as twice a week to see positive effects...

    06/18/2015 - 12:12 Nutrition, Cells, Physiology
  • Feature

    Typical American diet can damage immune system

    Blair River was described as “a big guy with a big heart.” The 575-pound former high school wrestler from Mesa, Ariz., became such a fixture at the Heart Attack Grill that he was recruited to be the restaurant’s official spokesperson. His satirical ads made him a minor celebrity in central Arizona.  He died in 2011 at age 29 — not because of his heart but from complications of influenza.

    05/18/2015 - 13:00 Microbiology, Nutrition
  • News

    Brains may be wired to count calories, make healthy choices

    Fruit flies’ brains may be wired to count calories.

    Several genes in the brain appear to help the flies learn to distinguish between normal-calorie and high-calorie foods — and to remember to choose the healthier option later. Feeding the flies a constant diet of high-calorie foods disrupts their ability to make these metabolic memories, researchers...

    04/07/2015 - 11:00 Neuroscience, Nutrition, Genetics
  • News

    For healthy eating, timing matters

    View the video

    When you eat may determine how long and strong your heart beats.

    Fruit flies that limited eating to 12-hour stints had steadier heartbeats in old age than flies that ate whenever they wanted, researchers report in the March 13 Science. The study adds to a growing...

    03/12/2015 - 14:00 Physiology, Nutrition
  • Scicurious

    Report offers stimulating recommendation on coffee

    A new round of dietary do’s and don’ts accompanied last month’s scientific report on the latest food research, summarizing everything from aspartame to saturated fats. The report puts eggs back on the menu. High dietary cholesterol is no longer linked to blood...

    03/04/2015 - 15:13 Nutrition
  • Feature

    For athletes, antioxidant pills may not help performance

    In the fickle world of sports nutrition fads, few trends have shown the staying power of antioxidants. For more than three decades, athletes have remained devoted fans of supplements; the American College of Sports Medicine estimates that around half of elite athletes take vitamins in hopes of keeping...

    02/24/2015 - 12:00 Health, Physiology, Nutrition
  • News

    Hydrogen sulfide offers clue to how reducing calories lengthens lives

    Tapping into an ancient cellular energy source may help stave off the rigors of surgery and the ravages of age.

    Hydrogen sulfide, a foul-smelling poisonous gas that microbes have been munching for eons, may be responsible for the health benefits and life-extending effects of reduced-calorie diets, scientists propose December 23...

    12/23/2014 - 18:28 Cells, Physiology, Nutrition
  • News in Brief

    Mushroom extract might eradicate HPV infection

    An over-the-counter supplement sold as an immune booster just might work. Active hexose correlated compound, or AHCC, apparently revs up the immune system to knock out human papillomavirus that can cause cervical cancer. While two vaccines can prevent infection by cancer-causing HPV subtypes (SN: 4/20/13, p. 20), the...

    11/04/2014 - 14:15 Clinical Trials, Health, Nutrition
  • News

    Heavy milk drinking may double women’s mortality rates

    Despite delivering calcium and protein, drinking a lot of milk doesn’t seem to provide a net health benefit for women and may even hinder their long-term survival prospects, Swedish researchers find. Over the course of about 20 years, women who drank three or more glasses of milk per day were almost twice as likely to die as those who drank less than one, other things being equal. Intake of...

    10/28/2014 - 18:30 Nutrition, Health