50.0 MB (50.0 MB compressed)
4587 x 3809 pixels
38.9 x 32.3 cm ⏐ 15.3 x 12.7 in (300dpi)
VIVID BIOLOGY / SCIENCE PHOTO LIBRARY VIVID BIOLOGY / SCIENCE PHOTO LIBRARY
Caffeine molecule, illustration. Caffeine is a stimulant drug found in the seeds and leaves of certain plants where it acts as a pesticide. It is found in tea, coffee and chocolate and is the world's most widely consumed psychoactive drug.
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