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.
Most people seek treatment when their breathing difficulties cause them to avoid certain activities and interfere with their quality of life. In addition to shortness of breath and a general feeling that they canât get enough air, many people with emphysema experience additional symptoms such as: 1  Persistent coughing. 2  Wheezing. 3  Excessive mucus production. 4  Chest pain or tightness. 5  General fatigue. 6  Loss of appetite. 7  Depression.