How do the diet drugs lorcaserin and phentermine-topiramate people lose weight? they reduce food absorption. they reduce body fat absorption. they reduce food intake. they reduce the body's caloric need?

Diet drugs such as lorcaserin and phentermine-topiramate help people in losing weight by reducing food intake. These drugs are affecting the central nervous system, which act as an appetite suppressant where a person will not feel hungry or has lesser urge in eating does reducing his/her food intake. Weight loss will be much effective if these drugs will be adjunct with exercise and reducing caloric intake.