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.

Across those studies, caffeine drinkers had a 6%-16% lower dementia risk compared to non-drinkers, with one to three cups of coffee appearing to provide the greatest benefit.

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

Coffee and tea contain other compounds beyond caffeine that may benefit the brain as well.

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

We all knew the effect caffeine had on Ms. Gruwell.

From "The Freedom Writers Diary" by The Freedom Writers