I've had this one hanging around for days and since I'm on a roll just now, and just got a question about D, here goes. I'm not going to dig up the many past posts, but you can find most of them here, or simply search vitamin d to the right. The short version is that vitamin D is crucial for a host of processes and modern life has come to the point of shielding humans from receiving the vitamin as nature and evolution intended. The things we already know about are clothing, shelter, working indoors and sunscreen that keep us from the D we need. But here's another: soap. Yep, all you clean freaks: you're washing your vitamin D off before it gets absorbed. It was an interesting discovery for me, as it has been a very long time since I've put soap to anything but hair, face, armpits and groin. I never use lotions or creams and I have wonderfully soft skin. Maybe that's one reason for my high levels of D, along with supplementation, of course (now 4k IU per day instead of 6, since I get sun about 4 times per week). So, here's Dr. Mercola...