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مشاهدة النسخة كاملة : Why does hair turn gray? Scientists find a possible explanation

ahlam1399
05-17-2018, 12:03 AM
http://img-s-msn-com.akamaized.net/tenant/amp/entityid/AAwP3Ol.img?h=100&w=100&m=6&q=60&o=f&l=fScientists have discovered that our immune system could play a role in turning our hair gray.

أكثر... (http://www.msn.com/en-in/health/video/why-does-hair-turn-gray-scientists-find-a-possible-explanation/vi-AAwRXKg?srcref=rss)