<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been feeling ill lately. I also have shortness of breath and palpitations. On top of that, Ive been feeling quite depressed. What could be wrong with me?  <response>: Based on the symptoms youve described, it sounds like you may be dealing with the effects of drug abuse, specifically methamphetamine use. Its important that we address this immediately to prevent further damage to your health. 