• Flash: America's growing waistlines
• How can you stay fit? Top 10 checklist
• Map: Top 10 fittest -- and fattest -- cities
• Calculator: Are you overweight? | Chart: Calories burned
• Health Library: Obesity: Causes and complications

Ways to get healthy with "House Call with Dr. Sanjay Gupta":
• Tune in: Saturdays and Sundays, 8:30 a.m. ET
• BMI report cards
• Lesbians and obesity
• Healthy workplace

We've all heard the statistics. Americans are getting fatter and more unhealthy. But by unravelling the mysteries of diet and nutrition, we can take a step closer to shedding a few pounds or eating the right foods, leading to more healthy bodies.

• Interactive: Build a meal with Create-A-Plate
• Quiz: Portion sizes, past and present
• Chart: Foods that pack a nutritional punch
• Special Report: Healthy Bodies