Each of us can live strong, healthy, energetic lives for a long time to come. The key？Actually, there are many of them.
Eat fewer calories, but more food
Slimming down can help prevent disease, and cutting way back on the amount you eat may even slow the aging process. When nutrition researchers invited themselves over for dinner in kitchens across the globe-from Greece to Japan to the state of Pennsylvania--they discovered a stomach-satisfying secret to good health：Pile your plate high with vegetables and fruits, add respectable parts of beans and whole grains, and ignore high-calorie food like cheeseburgers, cream sauces, and fatty meats.
Use exercise as an anti-aging vaccine
Exercise can help you gain a better quality of life as you age. It's no secret that physical activity strengthens muscles, burn calories, and puts a happy bounce in your step. But recently, researchers discovered a new, extra benefit：Exercise acts as a powerful way against the aging process itself. When exercise physiologists put healthy people aged 60 to 85 on Weight-training programs for six months then tested them for signs of free-radical(自由基) damage, they were surprised by the results. By the end of the study, low-intensity exercisers had a drop in free-radical damage, while high-intensity exercisers had a slight increase.
Find something interesting to do
Life is always busy no matter what your age. But the truth is, when people are retired, time usually does become more available for adults after 60. With this time come choices. The easy one is merely to relax：watch more TV, eat out more often, talk on the phone as much as you want. The better choice? Discover something more meaningful to devote yourself to and do it wholeheartedly.
Which of the following is what you should eat more?

A．Fatty meats.	B．Whole grains.
C．Cream sauces.	D．Cheeseburgers.

The new discovery of exercise probably is that__________.

A．it can help you live a better life

B．it can strengthen muscles

C．it can burn calories

D．it can prevent aging process

When do you have more free time according to this text?

A．In your fifties.	B．Beyond sixty
C．Over seventy	D．Before sixty.

The best title of this text should be "_______".

A．How to Keep a Balanced Diet

B．The Importance of Your Health

C．Keys to living Longer and Better

D．Hobbies making Your Healthy