The Effects of Caffeine: The Truth Behind the Boost
27th September 2026 Written by: Ayesha Zakir Editing: Gaveshna Published by: Saffron The Effects of Caffeine: The Truth Behind the Boost For teenagers, sleep is often the first thing sacrificed when life gets busy. Caffeine, meanwhile, is used to make up for it. But while a cup of coffee in the morning or an energy drink for a late night study session might make you feel more awake, the effects of caffeine go beyond simply keeping your eyes open. What is caffeine? Caffeine is a naturally occurring compound found in more than 60 plant species, including coffee beans, tea leaves and cacao. It is a central nervous system stimulant and the most widely consumed psychoactive drug in the world. At a chemical level, caffeine belongs to a group of compounds called methylxanthines. Plants produce caffeine naturally, partly as a defence mechanism against insects. Humans, however, have been consuming caffeine containing plants for centuries, long before t...