Traditionally, the medical community has focused on reversing the acute illnesses associated with aging—cancer, heart disease and stroke. But to add serious, high-quality years to your life—years when your body continues to work at its peak level—you have to lower your risk for all diseases. And the only way to do that is by slowing the aging of cells.

Rather than treating your body as a disposable product, this 14-day plan will teach you to take care of it in a way that keeps it performing like new. The following two weeks of tips, quizzes, shopping lists and action steps will prepare your mind and body to make lasting changes.

Why 14 days? Because that's how long it takes for many healthy behaviors to become healthy habits.

• Let's get started—Week 1.
• Keep it going—Week 2.
• You've made good habits—the plan for a healthy life.
• Your Daily YOU-Do list