Malnutrition disorders such as marasmus result from decreased dietary intake of fats/oils and other calories except protein. Malabsorption syndromes such as Tropical Sprue and Celiac's disease can produce fat deficiency symptoms.
These are both examples of cardiac disease in pets.
Heart disease, cancer and Asthma are all examples of things that can kill you. All of these three things can be treated.
HIV
obesity
Examples: anemia, hemophilia, sickle-cell disease, leukemia, thalassemia, etc.
swine flue
cough and colds
bacteria and bacterial disease
HIV and herpes are two examples of disease-causing viruses for which there is no vaccine.
Tuberculosis and leprosy are examples of chronic diseases.
Cholera, bronchitis, and chickenpox.
A disease which is carried and spread by an agent (animal or microorganism) is a vector spread disease. Eg. Mosquitoes are the vectors for malaria.