How do amphetamine suppress appetite?

How do amphetamines suppress appetite? All of the vast majority of medications for weight loss, like amphetamines, work in the organ that causes obesity and that organ is the brain. So amphetamines can work on the gland in the brain that controls appetite, which is called the hypothalamus. However, the other thing that they do is apart from affecting energy intake, they also affect energy expenditure, so metabolism, the burning of calories, and they also increase that. Amphetamines are not available for the treatment of obesity anymore.