A standard 12-ounce can of Coca-Cola contains 34 milligrams of caffeine while the same size of the diet variant boasts 46 milligrams. The reason for this 30% increase in caffeine ultimately comes ...

Filter coffee, black tea, Diet Coke – some drinks contain a lot more than you think. Here’s how to drink it safely ...

It turns out Coca-Cola and Red Bull have less caffeine than you may think. We looked at the maximum amount of caffeine you should have each day, according to the Mayo Clinic and found out which ...