Conditions list medically reviewed by George Krucik, MD, MBA
Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Learn about what causes allergies, the different types of allergies, and how they're treated.
Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.