(active link)http://www.nytimes.com/1993/05/03/us/study-finds-2-drinks-a-day-keep-heart-fit.htmlhttp://www.nytimes.com/1993/05/03/us/study-finds-2-drinks-a-day-keep-heart-fit.htmlshapeimage_2_link_0


                                               (active link)http://online.wsj.com/article/SB10001424052748703326204575616701108274906.htmlhttp://online.wsj.com/article/SB10001424052748703326204575616701108274906.htmlshapeimage_3_link_0

                                                                           active linkhttp://www.fda.gov/downloads/Drugs/ResourcesForYou/Consumers/BuyingUsingMedicineSafely/UnderstandingOver-the-CounterMedicines/UCM205286.pdfhttp://www.fda.gov/downloads/Drugs/ResourcesForYou/Consumers/BuyingUsingMedicineSafely/UnderstandingOver-the-CounterMedicines/UCM205286.pdfshapeimage_4_link_0
                             
                               (active link)http://www.nlm.nih.gov/medlineplus/caffeine.htmlhttp://www.nlm.nih.gov/medlineplus/caffeine.htmlshapeimage_5_link_0