<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been having frequent headaches and smoking problems. I also feel low most of the times. What could be the reason for this?  <response>: Based on your symptoms, it seems like you might be suffering from Neurosis. Neurosis is a mental health condition that can cause a range of psychological symptoms such as anxiety, depression or obsessive-compulsive disorder OCD. 