Tanning may protect skin against harmful UV irradiation but block vitamin D synthesis

As skin tans, it darkens to protect itself against harmful ultraviolet (UV) radiation, but the increasing pigment blocks vitamin D synthesis, limiting the skin’s ability to produce more vitamin D, a new study from finds.

from Top Health News – ScienceDaily http://bit.ly/1TuSolX via Naturally Increase Breast Size At Home
from Tumblr http://bit.ly/1pYJq4C