3 ms·

What are they?

• lillecarl 3y ago
  Dependency is the only one I've heard about within reasonable consumption. Think "ooof my headache I need a coffee" people.
• philipov 3y ago
  "nervousness; insomnia; dehydration; stomach irritation; fatigue." It's not just headaches. Fatigue in particular can be severe. If I don't drink coffee, I can barely stay awake at all.