All Sauce from Weekly Sauce:

Many people turn to probiotics for their digestive woes, but a preliminary study suggests that what’s good for gut may also be good for the aging brain. The study involved older adults with mild cognitive impairment, where memory and other thinking skills are starting to slide but people can still carry out their daily tasks.…  read on >  read on >

More omega-3 fatty acids in your diet might prevent hearing loss as you age, researchers report. Low levels of the omega-3 fatty acid docosahexaenoic acid (DHA) are linked to hearing loss in middle and old age, according to findings slated for presentation Monday at a meeting of the American Society for Nutrition, in Boston. Middle-aged…  read on >  read on >

Breakthrough new drugs that clear amyloid beta plaques from the brain are shaking up the field of Alzheimer’s disease research. The fact that patients’ mental deterioration slows when they’re on anti-amyloid drugs is solid proof that abnormal amyloid proteins are one of the culprits behind Alzheimer’s, essentially ending decades of debate over the so-called “amyloid…  read on >  read on >

People looking to stay mentally sharp as they age might want to swap out margarine for olive oil, a preliminary study suggests. The study, of more than 90,000 U.S. health professionals, found that olive oil lovers were less likely to die of dementia over the next three decades. Compared with their counterparts who rarely used…  read on >  read on >

People taking antiretroviral therapy to treat HIV who have low but detectable virus levels have almost zero risk of transmitting the virus to others, according to a new research review. Researchers looked at eight studies of more than 7,700 couples in which one person was HIV positive and the other was not. The studies were…  read on >  read on >

You’ve likely heard that “you are what you eat,” but a new study suggests what you eat also has something to do with who you are — genetically speaking. Researchers have identified nearly 500 genes that appear to directly influence what someone eats. These insights could help improve personalized nutrition to boost health or prevent…  read on >  read on >

Eight healthy habits could add years to your life. A new study of more than 700,000 U.S. veterans breaks down the habits that when adopted by middle age, can help someone live substantially longer than folks who don’t have these habits. These are the big eight: Be physically active. Don’t smoke. Don’t get addicted to…  read on >  read on >