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.
Here are some key points about emphysema. More detail and supporting information is in the body of this article. 1  Most cases of COPD, and therefore emphysema, are caused by cigarette smoking. 2  Emphysema is rarely caused by a congenital condition known as Î±1-antitrypsin deficiency, for which there is a lab test.ther symptoms may be experienced, especially in more advanced lung disease: 4,6,8,10. 1  Frequent lung infections. 2  Producing a lot of mucus (phlegm or sputum). 3  Wheezing. 4  Reduced appetite. 5  Weight loss. 6  Fatigue. 7  Blueness of the lips or fingernail beds (from cyanosis caused by poor respiration).