Tobaccoisthesecondmajorcauseofdeathintheworld.Itisre...
问题详情: Tobaccoisthesecondmajorcauseofdeathintheworld.Itisresponsibleforthedeathofoneintenadultsworldwide(about5milliondeathseachyear).Ifcurrentsmokingpatternscontinue,itwillcausesome10millionde...