Spending just 15 minutes in a dry sauna twice a day can naturally boost your growth hormone levels by up to 500%! Regular sauna use also supports your immune system—helping your body combat infections, lower inflammation, and even fight off certain diseases. Whether it’s a traditional sauna, infrared therapy, steam room, hot bath, or even a heated yoga session, elevating your body temperature consistently is a simple, affordable, and powerful way to extend your health span and target the root drivers of aging. @drmarkhyman