Very true but depending on what latitude you live at, it may be impossible to get enough on sunlight alone. There's dermatologist that claims a link between lat

Very true but depending on what latitude you live at, it may be impossible to get enough on sunlight alone. There's dermatologist that claims a link between latitude and mortality: https://www.ted.com/talks/richard_weller_could_the_sun_be_good_for_your_heart https://www.ted.com/talks/richard_weller_could_the_sun_be_go... Recommended watching - there is more to sunlight than Vitamin-d.