[E. Pluribus Unum]

This has been known for a long time, but there is no money in replacing prescription medications with natural alternatives.

[The Westerner]

Coffee doesn't always do the trick, and if you add milk and sugar as I do, might have adverse health issues. But tea, coffee and the first coca-cola and later one without cocaine derivative have been utilized worldwide to help with focus. Meds, if they do work, are often life changing.