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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Stocker, Claudia |
Taille de l’image : | 4587 px × 3809 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |