Viagra can permanently damage vision, scientists claim http://www.independent.co.uk/life-style/health-and-families/health-news/viagra-can-permanently-damage-vision-scientists-claim-9771501.html …
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Viagra can permanently damage vision, scientists claim http://www.independent.co.uk/life-style/health-and-families/health-news/viagra-can-permanently-damage-vision-scientists-claim-9771501.html …