Addiction is a chronic brain disease that induces compulsive activity, despite health, social and legal consequences. A person may seem to make a voluntary choice to try a drug or begin a type of behavior, but a variety of genetic and environmental factors influence those decisions.
Expert: Theresa replied 8 years ago. Symptoms of a dying dog include, lack of appetite, pale, blue, or gray gums, dry gums, inability to stand, dilated pupils, difficulty breathing, unresponsiveness, and neurologic symptoms. A dog can live for a couple weeks without enough food and water.
A sick dog might present the following signs: 1  Persistent cough. 2  Retching, vomiting. 3  Loss of appetite. 4  Fever. 5  Lethargy. 6  Expectoration of respiratory secretions.