Reference results for Caffeine from

Caffeine Myths and Facts - WebMD

WebMD examines caffeine and looks at the side effects, both positive and negative, that it can have.

Caffeine - Wikipedia, the free encyclopedia

Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. [9] It is the world's most widely consumed psychoactive drug, but — unlike many ...

Caffeine: Read About Side Effects, Addiction, and Withdrawal

Caffeine facts. Caffeine is a stimulant obtained from over 60 different types of plants worldwide. The scientific name for caffeine is 1,3,7-trimethylxanthine.

Caffeine Uses, Effects & Safety Information -

Caffeine is a central nervous system stimulant. It works by stimulating the brain. Caffeine is found naturally in foods and beverages such as coffee, tea, colas ...

Caffeine in the diet: MedlinePlus Medical Encyclopedia

Caffeine is widely consumed. It is found naturally in the leaves, seeds, and fruits of more than 60 plants, including: Tea leaves; Kola nuts; Coffee

Caffeine content for coffee, tea, soda and more - Mayo Clinic

Find out just how much caffeine is in coffee, tea, soda, energy drinks and more.

How Much Caffeine Is in Coffee, Tea, Cola and Other Drinks?

Find out how much caffeine is in coffee, tea, hot chocolate, cola, energy drinks, yerba mate and more with this guide to caffeine levels in drinks.

Caffeine | definition of caffeine by Medical dictionary

Caffeine Definition. Caffeine is a drug that stimulates the central nervous system. Purpose. Caffeine makes people more alert, less drowsy, and improves coordination.

Introduction to How Caffeine Works - How Caffeine Works ...

Introduction to How Caffeine Works - Caffeine is one of the most commonly-used drugs -- 90% of Americans use it. Learn why caffeine is America's most popular drug and ...

CAFFEINE: Uses, Side Effects, Interactions and Warnings ...

Find patient medical information for CAFFEINE on WebMD including its uses, effectiveness, side effects and safety, interactions, user ratings and products that have it.