Hauser, Gayelord -- Hay, William -- Homeostasis -- Hopkins, Frederick Gowland -- Hormone -- Hormones used in dieting -- Hornby, Lesley (Twiggy) -- Ibn Sina (Avicenna) -- Imes-Jackson, Mo'Nique -- Infectobesity -- Internet -- Israeli, Isaac ben Salomon -- Jews -- Johnson, Samuel -- Kellogg, John Harvey -- Kneipp, Sebastian -- LaLanne, Jack -- Lambert, Daniel -- Leibel, Rudolph -- Lessius, Leonard -- Lindlahr, Henry -- Linn, Robert -- Literature and fat bodies -- Low-fat and fat-free foods -- Luther, Martin -- Macfadden, Bernarr -- McGraw, Phil (Dr. Phil) -- Manheim, Camryn -- Marcé, Louis-Victor -- Mazel, Judy -- Media -- Medical use of dieting -- Medieval diets -- Men -- Metabolism -- Metcalfe, William -- Milk -- Monroe, Marilyn -- Morton, Richard -- Murray, George -- Natural man -- Nidetch, Jean -- Noorden, Carl von -- Obesity epidemic -- Obsessive compulsive disorders -- Old age and obesity -- Ornish, Dean -- Paleolithic diet -- Peters, LuLu Hunt -- Pets -- Phytochemicals -- Post, C.W. -- Pregnancy -- Pritikin, Nathan -- Processed foods -- Professionalization of dieting -- Psychotherapy and weight change -- Religion and dieting -- Risks associated with dieting -- Roman medicine and dieting -- Russell, Lillian -- Scales and public weighing -- Schwarzenegger, Arnold -- Self-help -- Sex -- Sexual orientation -- Sigler, Jamie Lynn -- Simmons, Richard -- Sinclair, Upton -- Smoking -- Socioeconomic status -- Southern fat -- Sports -- Spurlock, Morgan -- Stress -- Sugar busters -- Sweeteners -- Taft, William Howard -- Tarnower, Herman -- Thomson, Samuel -- Trall, Russell -- Van Helmont, Johannes -- Vegetarianism -- Very-low-calorie diets -- Weight gain -- Wesley, John -- White, Ellen G. -- Wigmore, Ann -- William the Conqueror -- Winfrey, Oprah -- Zone diet.