question: Hello, I'm a 19 year old female.. My lungs ache constantly, and give off a sharp pain when I try to breathe. They feel heavy all the time, like they're full of cement. It gets worse with activity, especially with physical activity. As for my headache, my head pounds. Its really achy all over and causes me nausea. I'm always coughing up flem. I have recently came into contact with several people at work who had pneumonia since I am in retail. Help?