Regular sauna use may play a meaningful role in slowing the aging process, both externally and internally. One of the key anti-aging effects comes from improved circulation, which helps deliver more oxygen and nutrients to your skin, supporting the production of collagen and elastin, which are proteins essential for maintaining skin firmness and elasticity. The heat also open pores and promotes deep sweating, which helps clear out impurities and leaves your skin looking clearer and more refreshed. On a deeper level, sauna use has been associated with reduced oxidative stress and inflammation, two key drivers of aging and age related diseases. A long term study published in JAMA Internal Medicine (2015) found that frequent sauna use (4 to 7 times a week) was linked to a lower risk of all cause mortality and age related conditions like cardiovascular disease and neurodegenerative disorders. Sauna use can also help repair damaged cells and protect against cellular aging. Combined with its benefits for cognitive function, stress reduction, and sleep, which are all important for healthy aging, regular sauna use can be a valuable tool in promoting longevity and a more youthful appearance.