The Effects of Caffeine on Your Brain

Some people just can’t start their day without a cup of coffee. In fact, sometimes, smelling it makes you feel more alert. Of course, not just the smell causes pleasure but the taste as well. What exactly are the effects of caffeine on your brain?  Furthermore, why are some people more sensitive to caffeine than others? At a chemical level, caffeine blocks adenosine. That’s a substance that makes you feel tired. Hence, when you drink coffee, it wakes you up. However, the caffeine in coffee and lightly modified tea and cocoa not only wakes you up. In fact, it also…