The next pillar is nutrition, because according to Bob, eating the right foods can add years to your life. "The 20 Years Younger diet was developed with many things in mind, but primarily [asking], 'What elements do you bring to your diet that can improve your aging, and what can you take off that accelerates aging?'" Bob says.
Bob and dietitian Janis Jibrin say every meal should include superfoods that will help you look years younger, such as sweet potatoes, eggplant and blueberries. They also believe that half your plate should be covered with fruits and vegetables.
Watch Bob and Janis explain the ideal meal plan
"I'll go on record. I used to hate brussels spouts," Bob says. "I hated them until I started making them the right way. If they're sautéed and you use olive oil, which is another superfood, they're fantastic."
Bob also swears by replacing fattening starches—such as breads, cereals and pastas that are made with white flour—with whole grains, brown rice and lentils. He says good high-protein choices are fish, chicken or soy. Also, adding spice to your dishes can help you live longer. Herbs and spices, such as ginger and basil, can help fight infection and chronic diseases.