According to PLOS Biology by Judith Haendeler and Joachim Altschmied of Heinrich-Heine-University and the IUF-Leibniz Research Institute for Environmental Medicine in Duesseldorf, drinking four cups of coffee a day can be good for your heart. The study shows that coffee accelerates and enzyme that slows down cell division and triggers mechanisms the help repair hear muscles. This process can be helpful to those who have experienced heart attacks or other cardiovascular issues.
Coffee has been proven to have other health benefits as well, including reducing the risk of some cancers, boosting metabolism, and improving certain aspects of brain functions.
source – ndtv