(HealthDay News) -- You may be consuming caffeine in everything from your favorite soda or a mug of coffee to the drug you took to ease your migraine.
Caffeine is a stimulant, and the University of Maryland Medical Center says too much of it can lead to these side effects:
- Rapid heart rate.
- Tremors.
- Trouble sleeping.
- Urinating frequently.
- Vomiting or nausea.
- Anxiety and restlessness.
- Feeling depressed.
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