Is this just hype? Thanks to a clever marketing campaign, people have gone to great lengths to get hold of Prime drinks — but some schools are now banning them.
How an energy drink took over UK schools

Glossary
Caffeine - A drug that increases the activity of the brain and nervous system. It is found in many drinks, such as tea, coffee and soft drinks, as well as energy drinks, which have large amounts of caffeine.
Distracted - Not focussed.
Advertising - An industry used to call the attention of the public to something, typically a product or service.