Almost every student has an encounter with using caffeine as a study aid in university or college, or at work to get ready for the day. But few understand what caffeine is, where it comes from and what effect it is actually having on their bodies besides keeping them awake. Most people know that coffee, tea and cola have caffeine in them. As a general rule, coffee has the most amount of caffeine in it, …showed first 75 words of 601 total…

…showed last 75 words of 601 total…an increase in brain activity as a result of caffeine intake, while other studies suggest that only people who regularly consume caffeine benefit mentally from its intake. Still others say it has no benefit concerning concentration at all. And as mentioned before, consuming too much caffeine can have a negative effect on your thought process. So be careful and try to get some sleep during your busy periods, rather than drinking a lot of coffee.