Health & Medicine
- 			 Health & Medicine Health & MedicineCoffee perks up memory and balance in geriatric animalsMillions of Americans start their day with a cup of coffee and then reach for refills when their energy or attention flags. But new research in rats suggests that for the aging brain, coffee may serve as more than a mere stimulant. It can boost memory and the signaling essential to motor coordination. By Janet Raloff
- 			 Health & Medicine Health & MedicineDiet and behavior changes may slow Alzheimer’sA new study in dogs finds that antioxidants and enriched lifestyle can ward off symptoms, and suggests brain plaques may not be the cause of the disease. 
- 			 Health & Medicine Health & MedicineSeparating wheat from chaff in celiac diseaseThree partial proteins may trigger the T cell immune reactions that cause the symptoms of this intestinal ailment, new research shows. By Nathan Seppa
- 			 Health & Medicine Health & MedicineGood vibrations: A greener way to pasteurize milkMany people like the taste of raw – as in unpasteurized – milk. The problem, of course, is that germs may infect raw milk, so food safety regulations require that commercial producers heat-treat their milk. But food scientists at Louisiana State University think they’ve stumbled onto a tastier way to sterilize milk. They bombard it with sound waves. By Janet Raloff
- 			 Tech TechNano-scale additives fight food pathogensNano products are all the rage, even in food science. Here at the Institute of Food Technologists’ annual meeting, on July 18, scientists described dramatic success in fighting food-poisoning bacteria by doctoring foods or their packaging with microbe-killing nanoparticles – sometimes along with natural anti-bacterial agents. By Janet Raloff
- 			 Health & Medicine Health & MedicineTaking some of the doubt out of IVFTesting shows that a complex array of factors can be used to calculate the probability of in vitro fertilization success better than just using woman’s age as a guidepost. By Nathan Seppa
- 			 Health & Medicine Health & MedicineGel shows promise against HIVScientists have developed the first topical treatment that can prevent HIV infection among women. 
- 			 Agriculture AgricultureGerms eyed to make foods saferAdding viruses to foods doesn’t sound appetizing, much less healthy. But it’s a stratagem being explored to knock some of the more virulent food poisoning bacteria out of the U.S. food supply. Scientists described data supporting the tactic July 18 at the Institute of Food Technologists’ annual meeting in Chicago. By Janet Raloff
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- 			 Health & Medicine Health & MedicineGenetics may underlie some kidney failure in blacksGene variants that offer protection against African sleeping sickness may also put carriers at renal risk, a new study finds. By Nathan Seppa
- 			 Health & Medicine Health & MedicineEveryone poops his or her own virusesThe viral denizens of a person’s intestines are unique and don’t change much over time, a study suggests. 
- 			 Health & Medicine Health & MedicineBody shape may affect mental acuityAmong women 65 to 79, big apples performed better than plump pears on tests of memory and reasoning. By Janet Raloff