UVB rays may decrease some cancer risk.
D000368:Aged; D006370:Heliotherapy / Q000379:methods*; D006801:Humans; D009369:Neoplasms / Q000209:etiology / Q000517:prevention & control*; D013997:Time Factors; D014466:Ultraviolet Rays; D014807:Vitamin D / Q000008:administration & dosage; D014808:Vitamin D Deficiency / Q000150:complications / Q000628:therapy; D014815:Vitamins / Q000008:administration & dosage
D014815:Vitamins; D014807:Vitamin D