The silver lining (pun intended) is that this may aid drug development to prevent or delay hair graying.
원문출처 : http://rss.cnn.com/c/35494/f/676993/s/4df6d42f/sc/14/l/0Ledition0Bcnn0N0C20A160C0A30C0A10Chealth0Cgray0Ehair0Egene0Cindex0Bhtml0Deref0Fedition/story01.htm
원문출처 : http://rss.cnn.com/c/35494/f/676993/s/4df6d42f/sc/14/l/0Ledition0Bcnn0N0C20A160C0A30C0A10Chealth0Cgray0Ehair0Egene0Cindex0Bhtml0Deref0Fedition/story01.htm