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مشاهدة النسخة كاملة : Opioid crisis linked to two-year drop in US life expectancy


BECKHAM
22-12-2017, 02:59 PM
The rate declines for a second consecutive year, the first time this has happened since 1962-63.

for more... (http://www.bbc.co.uk/news/world-us-canada-42452733)