This article from The Globe and Mail news proved that caffeine was bad for psychiatric patients, since it has a lot of effects on their health and wellness. First of all, caffeine is a stimulant that is found in a lot of drinks and foods like coffee, tea, cocoa, energy beverages, kola nuts and chocolate. It’s popular for boosting mental attention and helping us to be less tired. Additionally, it’s used in medicine as a nervous system stimulant. In brief, it only takes 250 milligrams of caffeine to see his unpleasant effects.