> (I tend to think I should be able to get everything I need from my diet) I should note that pale skin is a mutation developed because Europeans in a certain

> (I tend to think I should be able to get everything I need from my diet) I should note that pale skin is a mutation developed because Europeans in a certain range could not get sufficient vitamin D from their diet, which was mostly cereal crops. Also, disease can change things. A family member had leukemia and after it was in remission, she has needed to take very high levels of vitamin D to maintain recommended blood levels. Her required supplementation is high enough that her doctor has her take regular blood tests to make sure it doesn't go too high.