From trendy fads to steady standbys, we've carefully studied and assessed a dozen popular diets for effectiveness and safety. Find out which diet is right for you:

3-Hour Diet

Atkins Diet

Best Life Diet

Blood Type Diet

Cabbage Soup Diet

Caveman Diet

Fat Flush Diet

French Women Don’t Get Fat

G.I. Diet

Grapefruit Diet

The Hormone Diet

Jenny Craig

Macrobiotic Diet

Master Cleanse Diet

Mediterranean Diet

New Beverly Hills Diet

Nutrisystem Diet

Shangri-La Diet

Skinny Bitch Diet

South Beach Diet

Volumetrics Diet

Weight Watchers Diet

The Zone Diet