Energy drinks contain high quantity of caffeine and taurine. Glucuronolactone present in energy drinks were used by US military to encourage the soldiers during Vietnam war. At present, such energy drinks are prohibited in US military.
Energy drinks can cause severe diseases like brain tumors, migraine headache and heart attacks. It also increases blood pressure. The effects of energy drinks can be reduced by doing physical exercises and by not taking it along with other hard drinks/alcohols.
Different brands of energy drinks are available in over hundred countries. It’s specially targeted towards youth and sportsperson. Due to the harmful chemicals and its side effects doctors recommend to stay away from it.