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Why you should stop buying vitamins and get more sleep instead
Almost half of all Canadians regularly take at least one nutritional supplement such as vitamins, minerals, fibre supplements, antacids and fish oils. Many of these individuals are healthy and hoping to improve general well-being or prevent chronic disease. Scientific evidence, however, suggests that some high-dose nutritional supplements — such as beta carotene, vitamin E and vitamin A — have little role to play in the prevention of chronic disease among healthy individuals, unless there is a diagnosed deficiency of specific micronutrients. Research suggests these supplements might actually do more harm than good. As a medical doctor and public health specialist, I have been [...]