This is true, yes. But really both have issues. It takes much longer in the sun for a dark skinned person to get enough exposure to produce a healthy amount of

This is true, yes. But really both have issues. It takes much longer in the sun for a dark skinned person to get enough exposure to produce a healthy amount of D. But the fair skinned person burns readily, so they can't stay in the sun long without protection which would inhibit getting enough sun.