Death Wish Coffee Co. is unveiling a coffee blend formulated with increased caffeine content. The Power Surge blend is made ...

When it comes to caffeine, most Americans are reaching for coffee, but yerba mate is becoming more popular. Here's which ...

Too much coffee can be a latte for the heart to handle, with a new study linking over 400 milligrams of caffeine a day — roughly a venti-size coffee at Starbucks — to an increased risk of ...