Our knowledge of bird nutrition is constantly evolving. This is due both to heightened awareness of the importance of nutrition and to increased research into birds different needs. As with all other animals, birds need a proper balance of carbohydrates, proteins, fat, vitamins, minerals and water.
A person with emphysema will have shortness of breath â during physical activity and, when the condition is more advanced, also during rest. Patients may eventually need supplemental oxygen and may have to rely on mechanical respiratory devices. Other symptoms of emphysema include: 1  Chronic cough. 2  Frequent respiratory infections. 3  Reduced appetite. 4  Weight loss.
Emphysema is a progressive disease with the most common and characteristic symptoms of cough and shortness of breath caused by prolonged smoke exposure. Affected individuals with alpha-1 antitrypsin deficiency tend to develop symptoms of emphysema at earlier ages. Emphysema is a subtype of chronic obstructive pulmonary disease (COPD in the US; COLD, chronic obstructive lung disease in the United Kingdom).