Energy drinks may give you more than a boost. A 32-ounce energy drink with 320 milligrams of caffeine resulted in more profound changes in the heart’s electrical activity and blood pressure than a 32-ounce control drink with the same amount of caffeine.

See the source article by following the link below:
Energy drinks may give you more than a boost. A 32-ounce energy drink with 320 milligrams of caffeine resulted in more profound changes in the heart’s electrical activity and blood pressure than a 32-ounce control drink with the same amount of caffeine.