Prof. Dr. Abdul Mannan Sarker focuses on diagnosing, treating, and managing disorders related to the endocrine system. The endocrine system is responsible for producing and regulating hormones, which are essential for the proper functioning of the body. He is a highly trained doctor who has a deep understanding of how hormones affect different organs and systems of the body. He is skilled in diagnosing and treating conditions such as diabetes, thyroid disorders, osteoporosis, and other hormone-related diseases. Prof. Dr. Abdul Mannan Sarker works closely with his patients to develop individualized treatment plans that can help them manage their conditions and improve their quality of life. Overall, he is a valuable asset to anyone looking to optimize their hormonal health and manage their endocrine-related conditions.