Freshly brewed cappuccino What is Caffeine and How Does it Work? Caffeine is a natural substance widely found in various sources, including plant leaves, cacao beans, tea, and synthetically produced products. Notably, it’s also an added component in soft drinks, energy drinks, gums, and even medications ( Rodak et al., 2021 ). Once ingested, caffeine primarily exerts its effects by blocking adenosine receptors like A1 and A2a, which play a key role in regulating the central n

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A doctor performs a routine check-up on a young boy, using a stethoscope to listen to his heartbeat during a medical examination. When...

A young woman relaxes on a couch, intently focused on her smartphone At the end of the day are you one of those people that find comfort...