Sweet poison? New doubts cast over safety of erythritol; Is Greek yogurt a good way to enhance protein intake? Comparing whey, soy, and pea protein isolates; When taking supplements, is it advisable to take periodic breaks to enhance their effectiveness? Tommy John surgery pioneer and longtime Mets medical director dies at 68; Ivermectin, once branded useless “horse paste,” may prove a new weapon against malaria; New findings challenge notion that humans and apes share 99% of their DNA.