Aging on the Photobiology of Vitamin D3

Abstract

Introduction:

Vitamin D and prevention of colorectal cancer

“…This value is similar to low 25(OH)D values commonly encountered toward the end of winter at all ages in many parts of North America [36,37] and, in general, in elderly adults at temperate latitudes [38], in people with osteoporosis [39], and those with dark skin pigmentation living at temperate latitudes [40][41][42].…”