Drinking 1-3 cups of coffee a day reduces the incidence of ischemic heart disease. However, drinking more coffee may make some people susceptible tachycardia and arrhythmias.
Drinking coffee, 1-3 glasses per day, reduce cardiac ischemia, but drinking a lot of coffee in some sensitive people may make the heart beat faster and dysrhythmia.
a cup of coffee per day 1 - 3 glasses of a heart, but the lack of blood to drink so much coffee may be sensitive to some of the beating of his heart to beat faster and untimely