Causes and correction of insufficient body weight, the possibility of using medication

Good afternoon. My problem is low weight with the growth 186см my weight 78кг. I 40 years . I want to ask are there any medicines to slow metabolism. Thanks in advance.

Response: "Hello! The reasons for shortage of weight in each case is different. It can be hereditary factors, diseases of internal organs, hormonal disorders. In addition, with age the metabolic rate slows down naturally. Recommend to start with the examination of the endocrinologist. Only after that the doctor will give recommendations. It is possible to access a dietitian, monitor the flow amount of calories during the day there should be more than calorie consumption. Bulk food does not mean nutritious. I wish you health"