caffeine: Quick Facts

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Last updated

Oct. 31, 2026

News •

Study Connects Caffeine, Sleep And Mental Health In Children • Oct. 22, 2026, 10:04 AM ET (U.S. News & World Report)

Doctors warn about the risks energy drinks pose to kids. What families need to know • Oct. 17, 2026, 3:00 AM ET (Sante Fe New Mexican)

Facts

Also Known As	trimethylxanthine

Photos and Videos

Diagram of the caffeine molecule, showing colored spheres representing carbon, hydrogen, nitrogen, oxygen atoms, and methyl groups, with labeled bonds and a key for each element.

How Does Caffeine Affect the Human Body and Brain?

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A white woman bites into a chocolate bar.

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