Comparing the caffeine content of black tea and coffee isn't as simple as you might expect. Here's what you should know in ...

Coffee can cause symptoms like anxiety and jitteriness. Fortunately, you can enjoy other caffeinated and non-caffeinated ...

The low to moderate (40–300mg) amount of caffeine typically contained in a cup of coffee has been ... some health benefits. But black tea has other compounds, like theaflavins, which also ...