Mental Health Benefits
Effective stimulant, Fights depression, Mental alertness, Prevents dizziness
  
Mental alertness, Prevents dizziness
  
Low Risk Side Effects
Insomnia, Nervousness, Restlessness
  
Insomnia, Nervousness, Restlessness
  
High Risk Side Effects
Anxiety disorder, Diarrhea, Heart disease, High blood pressure, Irritable bowel syndrome, Thinning bones (osteoporosis), Worsens glaucoma
  
Anxiety disorder, Diarrhea, Unknown, Heart disease, High blood pressure, Irritable bowel syndrome, Thinning bones (osteoporosis)