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.

In that group, consuming about 250mg-300mg of caffeine per day, equal to roughly two to three cups of coffee, was linked to a 35% lower dementia risk.

From Science Daily • May 13, 2026

Once stimulation becomes too high, whether from stress, anxiety, or too much caffeine, performance begins to decline.

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

However, the benefits appear to level off after a certain point, meaning more caffeine is not necessarily better for the brain.

From Science Daily • May 13, 2026

He was too anxious for caffeine, so he grabbed a lemonade.

From "Anger Is a Gift" by Mark Oshiro