Two widely available, potent weight-loss programs—a low-carbohydrate, ketogenic diet or orlistat therapy combined with a low-fat diet—lead to similar beneficial effects on weight, lipids and ...

Experts share which weight loss programs are most effective for achieving a healthy lifestyle. Learn more on what doctors and dietitians look for in a program.

The goal of most weight loss programs is to help you stick to a certain eating pattern with the intention of making long-term lifestyle changes. The word "diet" can refer to the eating plan a ...