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Caffeine is a natural chemical with stimulant effects. It is found in coffee, tea, cola, cocoa, guarana, yerba mate, and over 60 other products.
Natural stimulant
-Caffeine appears to interact with several pathways relevant to cancer biology—including adenosine receptor signaling, DNA damage response, cell cycle regulation, apoptosis, PI3K/Akt/mTOR, and NF-κB
—Its overall impact likely depends on the cancer type, stage, microenvironment, and the dosage administered