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.

Participants completed psychological assessments, tracked their diet and caffeine intake, and provided stool and urine samples so scientists could analyze changes in gut bacteria and emotional state.

From Science Daily • May 3, 2026

The research team explored whether caffeine, which is already known to enhance learning in bees, could help ants better remember bait locations and lead more nestmates to them.

From Science Daily • Apr. 18, 2026

This suggests caffeine improves their ability to learn and remember locations.

From Science Daily • Apr. 18, 2026

In contrast, ants given low or moderate amounts of caffeine quickly became more efficient.

From Science Daily • Apr. 18, 2026

Lacey says, “Is it that weird feeling you get from so much caffeine that, like, your heart isn’t beating so much as your whole body is beating?”

From "Paper Towns" by John Green