This amount of caffeine equates to about four cups of coffee or two 5-Hour Energy shots. Too much caffeine can lead to an upset stomach, anxiety, headache, insomnia, and more. If grabbing a coffee ...

But is that too much? First the good news. It's almost impossible to overdose on coffee. There is a lethal dose of caffeine but it's somewhere around 10 grams and the average cup of Joe has around ...

But like any other drug, caffeine can become addictive, and eating or drinking too much can cause negative side-effects. What is Insomnia? Causes, prevention, and what to do when you can't fall ...