Originally published on Wed November 20, 2013 11:37 am
Taking birth control pills may increase a woman's risk of eye disease later in life, a study finds, because they may reduce protective levels of estrogen.
Doctors have long known that cells in the eye have estrogen receptors. But in the past few years they've started looking into whether the changes in a woman's estrogen levels as she goes through life could affect her risk of glaucoma.
A photograph of a group of elderly men sitting on a mat, taken in Peshawar, now in Pakistan, circa 1865. Two of the men are looking at each other with contempt, suggesting that they may actually be enemies who have been persuaded to be photographed together as examples of native "thugs."