Vitamin D is a controversial topic among doctors, mainly because studies about its health effects have been so conflicting. While vitamin D is critical for many body systems, including bones and the brain, recent studies that have tested these assumptions haven’t been reassuring. In March, for example, a large study found that vitamin D supplements did not lower the risk of falls, or their resulting injuries, in the elderly. That called into question other potential…
How vitamin D affects Alzheimer’s risk
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