What Does Caffeine Do To Your Brain & Body?

A lot of us can't even start our days without a jolt of caffeine. Caffeine has many health effects on the body and brain. Depending on how caffeine is consumed, it can improve memory, boost athletic performance, and be good for heart health. But if you consume too much caffeine, it can also cause irritation or anxiety. Caffeinated beverages like energy drinks have surprisingly high sugar levels, which may have negative health effects.