Other studies have adjusted for the effects of BMI and exercise levels, and sun exposure is still significantly inversely associated with all cause mortality:

Other studies have adjusted for the effects of BMI and exercise levels, and sun exposure is still significantly inversely associated with all cause mortality: https://onlinelibrary.wiley.com/doi/full/10.1111/joim.12251 https://onlinelibrary.wiley.com/doi/full/10.1111/joim.12251 Over a period of 20 years, you will double your risk of dying if you avoid sun exposure.