HealthNutrient-boosted foods protect against blindness Sweet potatoes bred to be rich in beta-carotene have helped prevent vitamin A deficiency in Uganda, while rice engineered to hold beta-carotene shows promise 51¶¯Âþ
HealthWeight-loss surgery reduces desire for alcohol The Roux-en-Y weight-loss procedure appears to leave patients averse to alcohol 51¶¯Âþ