caffeine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Age matters because children have smaller, less developed livers that metabolize caffeine more slowly.

From Science Daily • May 18, 2026

Research reviews show caffeine from coffee, cola, energy drinks, and chocolate can raise systolic blood pressure by 3-15 and diastolic blood pressure by 4-13 after consumption.

From Science Daily • May 18, 2026

Drinking more caffeine than that did not provide additional protection.

From Science Daily • May 13, 2026

One possibility is that the body processes caffeine differently at higher doses.

From Science Daily • May 13, 2026

“I’ve been waiting to get into the Chat for a cup of coffee for fifteen minutes already. If I don’t get some caffeine soon, I might drop into one of those whaddyacallits. Comas.”

From "Bone Gap" by Laura Ruby