Check your vitamin D intake to avoid multiple health consequences. Three 2008 studies link low vitamin D levels to depression, hip fractures, and increased risk of death.
D000368:Aged; D000369:Aged, 80 and over; D002318:Cardiovascular Diseases / Q000097:blood; D003863:Depression / Q000097:blood*; D005260:Female; D006620:Hip Fractures / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D014807:Vitamin D / Q000008:administration & dosage / Q000097:blood*; D014808:Vitamin D Deficiency / Q000097:blood / Q000517:prevention & control*
D014807:Vitamin D