Yes and no every one knows Red bull helps you cocentrate due to the caffeine side the drink. if you drink to much caffeine your heart will be put under to much stress as it beats faster and will stop all together giving yourself a heart attack.

beverages

How many red bulls it would take is unknown and depends on the person but don’t drink more then ten cans of red bull at the same time or in one day unless you want to wake up with a very bad headache.