New research shows we are underestimating our cup of morning joe.
Caffeine is a powerful, psychoactive drug and a lot of us take it daily.
But researchers say we do not realize the effects it has on our bodies and our brains.
A 16th of a teaspoon of pure caffeine powder is enough for a boost.
But increasing it, even slightly ,can lead to anxiety, a racing heart, sweating and even a panic attack.