Endocrinology is a broad science which includes the study of hormones and allied diseases. Most endocrine diseases are chronic and require regular follow up. Some endocrine diseases are extremely common like thyroid diseases, diabetes and osteoporosis, but they seldom have typical symptoms. Most endocrine diseases present with vague symptoms and identification and treatment of these are best left to the expert endocrinologist. Most endocrine disease have long term implications e.g. diabetes leading to complications, osteoporosis leading to fractures etc.