Caffeine overdose

Caffeine can cause insomnia, nervousness, restlessness, nausea, increased heart rate, and other s...

Caffeine acts as a central nervous system stimulant. When it reaches your brain, the most noticea...

Caffeine's main effect on the body is an increased temporary sense of wakefulness and alertness, ...

What are the side effects from too much caffeine? · Restlessness and shakiness · Insomnia · Heada...