From Copenhagen - Taking vitamins on a daily basis may not help you live longer, and may even raise the risk of death. In a meta-analysis of 67 randomized clinical trials and data from over 200,000 subjects, taking vitamins did not have an overall positive effect on longevity. Vitamin A was shown to raise mortality by 16%, beta-carotene by 7% ...

From Boston - Beta-carotene may lower the risk of cognitive decline. In a clinical trial of over 4000 subjects followed for nearly 2 decades, those randomized to 50 mg of beta-carotene every other day did better on cognitive tests compared to those who took placebo. Protective effects were not seen in the short-term. From Alabama - ...

TEDtalks: Sherwin Nuland, the surgeon and author, talks about the development of electroshock therapy as a cure for severe, life-threatening depression. Midway through, his story turns personal. It's a moving and deeply felt talk about relief, redemption, second chances.