Older men who take vitamin E and selenium supplements have the same risk of dementia as people who don't use these products, according to a new study that quashes hopes these antioxidants might prevent cognitive decline.
Previous research has linked antioxidants to the prevention of cellular damage that can occur with aging as well as in cancer and other diseases. Antioxidants may achieve this by halting or slowing oxidative stress, which has also been linked to the progression of dementia.