Coffee is one of the most widely consumed beverages in the world, with caffeine as its main active compound, exerting stimulating effects on the nervous system. It blocks adenosine receptors, leading to increased alertness and activation. Additionally, it influences dopamine release, creating a sense of well-being, though it may also contribute to dependence and tolerance. Regular consumption alters neurotransmitter receptors and raises cortisol levels, inducing stress states. Despite its negative effects, numerous studies link coffee to health benefits, including reduced risk of certain diseases. However, its impact on anxiety, cholesterol, and stomach acidity raises debate about whether its consumption is overall beneficial or harmful. Continue reading Three short divulgation essays – 1 The neuroscience of coffee