A disease that persist for a long period of time is called as chronic disease. The cause of chronic diseases are majorly due to health damaging behaviors like having tobacco / alcohol ,lack of physical activity or poor eating habits and improper life style. This becomes more common with age. The major chronic diseases are Arthritis, Cardiovascular Diseases ( Heart-attack and Stroke), Cancer (Breast, Colon), Diabetes (Diabetic nephropathy), PCOD, Obesity, Liver Diseases, Gastritis, Ulcerative colitis,