Comparing caffeine in drip coffee or espresso isn't an exact science, but you should always consider volume to limit or maximize your caffeine allotment.

Caffeine, a natural stimulant found in coffee, can vary widely depending on how you enjoy your brew—a classic hot coffee, a creamy latte, or a refreshing cold brew.

About 75% of adults in the United States drink coffee, which is widely known for its caffeine content. Consuming caffeine can boost your energy levels and enhance your cognition in the short term ...

Caffeine has been shown to increase the toxicity of a popular club drug.

Saudi Arabia enforces new menu rules to flag salt, caffeine and calorie burn All restaurants and cafes must now label nutritional information to promote public health ...

A new study reports that people who regularly drink caffeinated and decaffeinated coffee benefit from some of the beverage's natural polyphenols, which may help reduce the risk of developing type ...

Fact Checked Compounds in Coffee May Help Lower Type 2 Diabetes Risk, Study Finds A new study reports that polyphenols in coffee may offer protection against type 2 diabets. pocketlight/Getty Images ...

Generally, three to four cups of coffee per day is considered optimal for health benefits for most people. For black tea, because it contains less caffeine, the recommended number is three to five.