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.

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

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

Excessive caffeine can also interfere with sleep and increase anxiety, both of which may negatively affect brain health.

From Science Daily • May 13, 2026

But for the glucose and caffeine tablets in his survival pack, he would have ground to a halt hours ago.

From "Stormbreaker" by Anthony Horowitz