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.

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

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

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

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

From Science Daily • May 13, 2026

Yaupon holly was the only plant indigenous to this land that contained caffeine.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith