As a coffee addict, I often forget that coffee is not the only drink to consider when adhering to daily caffeine limits. The FDA recommends that adults do not consume more than 400 mg of caffeine per ...

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 ...

Americans are drinking more caffeinated beverages than ever before, but Rutgers researchers found one group that tops the charts in caffeine consumption: adult smokers with mental illness. In a study ...