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.

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

From Science Daily • May 13, 2026

Researchers say there are several reasons why very high caffeine intake may stop being beneficial.

From Science Daily • May 13, 2026

Freshly brewed coffee made from whole beans may contain very different caffeine levels compared to instant coffee, and preparation methods can also affect cholesterol levels.

From Science Daily • May 13, 2026

Moderate caffeine consumption does not appear to raise long-term blood pressure risk and may even lower the risk of cardiovascular disease, which shares many risk factors with dementia.

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