Regardless whether you are young or old, if you consume only one can of Red Bull, it may increase the possibility of a heart attack or stroke. As it is rich in caffeine and the blood is becoming sticky after consuming this beverage, it can lead to heart problems and stroke. Your blood changes and becomes abnormal as in person who suffers from a heart disease.
This beverage was forbidden in France from 1996 to 2008 and Uruguay, Denmark and Norway also banned this unhealthy beverage. In Kuwait, the Ministry of Commerce also banned Red Bull for persons under 16 after it caused a heart attack in two young boys, one was 16 and the other was 21.
Summary of Dr. Mercola