Weight control is a research area focused on understanding the factors that influence an individual's weight, as well as developing strategies to help people achieve and maintain a healthy weight. This includes studying the role of genetics, metabolism, diet, exercise, and psychological factors in determining weight, as well as exploring the effectiveness of various weight management interventions such as diet plans, exercise programs, medications, and behavioral therapies. The goal of weight control research is to help individuals achieve a healthy weight and reduce their risk of obesity-related health problems.