Intelligent Medicine Radio for February 21, Part 1: Saunas Can Help Stave Off Dementia

Vitamin D testing is vital for tailoring doses to optimize health—but regulators are conducting a campaign to deny coverage; Can magnesium be taken simultaneously with blood pressure meds? Lifelong learning delays Alzheimer’s onset by 5 years; Your MRI says you have a bum shoulder—but 99% of people show abnormalities even when they have no discomfort; Saunas can help stave off dementia.