cheap uggs Marion, who claims timing exercise around elevated leptin levels will double its benefits, recommends mixedintensity training, some type of cardio exercise determined by short, concentrated workouts. If running can be your thing, then Marion would recommend alternating short periods of jogging with short periods of sprinting.ALLOWED (priming phase, low carb): Meats, poultry, fish, eggs, dairy, nuts, and "free" vegetables, like broccoli, celery, lettuce, onions and tomatoes.PROHIBITED (priming phase, reduced carbohydrate): Almost all carbohydrates, including grain products, starchy vegetables and many types of fruits.EXPERT OPINION: Though Marion accurately describes the role of leptin in the body, registered dietitian Stefanie Shalagan says the dietary plan does not reflect bigger research. "And the master plan is restrictive and is fairly tough to follow," she says.Shalagan, who along the Nort