Experts say that by far the most important ways for us to protect ourselves are by minimizing sunlight exposure and avoiding indoor tanning beds or lamps.
But studies now show that our risk is based on the intensity of sunlight exposure over a lifetime, even for those who tan but don't burn.
This skylight could be shaded in summer to prevent excess sunlight exposure.
Rickets occurs because of a deficiency in sunlight exposure, not because of a deficiency in human milk.
Melanoma is the most dangerous type of skin cancer and is related to sunlight exposure.