Hi...., Eat well. People with lung disease may lose weight both because it's uncomfortable to eat and because of the extra energy it takes to breathe. Yet a nutritionally rich diet that contains adequate calories is essential. A dietitian can give you further guidelines for healthy eating.....Get vaccinated. Respiratory infections can worsen symptoms of pulmonary fibrosis. Make sure your child receive the pneumonia vaccine and an annual flu shot. Your family members must also be vaccinated, and you should avoid crowds in flu season....