Recent research found that supplemental vitamin D doesn’t prevent fractures or have any effect on the diseases it has been claimed to help, and blood tests for vitamin D are useless. Half of all postmenopausal women will have an osteoporosis-related fracture in their lifetime. Hip fractures are common in the… read more "Should You Take Vitamin D Supplements?"
A new study published in The BMJ suggests vitamin D might prevent autoimmune disease, but there are reasons to be cautious. Up to 75% of American teens and adults are said to be deficient in vitamin D, but there is no agreement on what level constitutes deficiency. Claims for the health benefits… read more "Does Vitamin D Prevent Autoimmune Disease?"
In 1747, one of the first controlled clinical trials in the history of medical science involved vitamin C, but the researcher had no idea what a vitamin was: vitamin C wasn’t discovered until 1912. Scurvy, a disease caused by vitamin C deficiency, was rampant in the British Royal Navy, disabling… read more "Misconceptions about Vitamins"