A Stem Cell Cure for Blindness?

A Stem Cell Cure for Blindness?

The first patient has received a pioneering human embryonic stem cell operation in the U.K. that doctors hope will be effective against a common cause of blindness. In the procedure, these cells are used to replace those at the back of the eye that are diseased with the condition, through a specially engineered patch inserted behind the retina. The operation offers significant hope that those who have lost their sight to the disease can have their vision restored.

Why Do Women Live Longer Than Men?

Why Do Women Live Longer Than Men?

For any who still believe that women are the weaker sex, it is long past time for them to think again. With respect to that most essential proof of robustness—the power to stay alive—women are tougher than men from birth through to extreme old age. In fact, nowadays women outlive men by about five to six years. Discover the reasons why, and also find out what may tip the balance back toward equal longevity in the future.

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