Quote Originally Posted by splitthis View Post
Quote Originally Posted by Walter Sobchak View Post

Does vigorous fucking count?
Yes, as long as you do nonstop for 20 mins and are huffing and puffing the whole time! Do it outside in the sunlight to get full dose of daily Vitamin D!
That 20 minute period is only sufficient for people with lighter skin, especially at higher latitudes. Because darker skin blocks some of the radiation that causes development of Vitamn D, Black folk typically need more sunlight than White folk to avoid Vitamin D deficiency if their diet isn’t augmented with Vitamin D-enriched foodstuffs.