So which Dunkin's drink is the most caffeinated? If you're looking for a beverage to get your heart racing and ignite your focus, order the large iced coffee. This 32-ounce drink clocks in at an ...

Yes, Starbucks' drinks are pretty tasty — but let's admit that the reason most of us end up in the Starbucks line isn't necessarily because we want to drink a grande cup full of sugary coffee ...

Caffeine stays in your system for a long time, so it's important to choose our coffee and tea beverages wisely.

In a sign these drinks may become more common at quick service restaurants, Dunkin’ announced one of its own in February called Sparkd’. Caffeine is among the most studied drugs. But how much ...

They said their children’s most common caffeine sources were soda, tea, coffee and energy drinks. The parents reported that their teens most frequently consumed caffeine at home (81 percent ...

The average college student relies on a caffeinated beverage to remain alert, energized and focused throughout a school day.