If you drink tea every day, you don't need to change a thing!

One of my New Year's resolutions for this year is to wean off coffee and drink more tea. It’s quite the challenge considering that I require a minimum of four cups of caffeine to function on a daily ...

While black tea, espresso, and coffee bring the most caffeine to the table, green tea packs a moderate amount as well. The content in white teas varies greatly, while herbal teas are practically ...