Rickets occurs because of a deficiency in sunlight exposure, not because of a deficiency in human milk.
This skylight could be shaded in summer to prevent excess sunlight exposure.
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.
Melanoma is the most dangerous type of skin cancer and is related to sunlight exposure.
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.
