Too much of a good thing: Excessive DNA repair can lead to retinal degeneration

(PhysOrg.com) -- A naturally occurring DNA repair system that normally protects cells from damage can cause retinal degeneration and blindness when overstimulated, according to a new study by MIT researchers.

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<p><a href="http://www.physorg.com/news150727857.html">Too much of a good thing: Excessive DNA repair can lead to retinal degeneration</a></p> <p>(PhysOrg.com) -- A naturally occurring DNA repair system that normally protects cells from damage can cause retinal degeneration and blindness when overstimulated, according to a new study by MIT researchers.</p>