Generally it can either be ones feelings about oneself or ones past experiences, usually the two link in some way
1. asthma
2. lung cancer
3. COPD (Chronic Obstructive Pulmonary Disease)
4. pneumonia
5. autism
All of the above is the right answer
I don’t think you want your health being evaluated by a bunch of high schoolers.
If you’re concerned ask your doctor.
