New ways to live longer.

The world's average life expectancy is about 67 years. But we may son increase that greatly. And we will not be frail and senile at age 150. "In addition to eliminating a lot of diseases of aging, we'll maintain function, vitality, cognition and all the other thing we value in terms of quality of life," says former National Institute on Aging researches George s. Roth, PhD, author of The Truth abouts Aging. Here, a few steps to take towards a longer, healthier life:

Eat a lot less
Slimming down can help prevent disease, and cutting way back on the amount you eat may even slow the aging process. When rodent eat a very low calorie diet, few get cancer, and they don't develop diabetis or obesity. In a study, people cut calories by 25 percent, they had less DNA damage than did those not in the diet.They also had lower fasting insulin levels and body temperature , both of which are linked longevity.

Make friend, get married, adopt dog
Social support, in the form of friend, family, neighbors and colleagues, can prevent the age-related spike in blood pressure that raises your risk of stroke and heart attack. Trying the knot is another anti-ager: Married can add about seven years to a man's life and three to a woman's. Pet can help reduce stress and lower blood pressure, and may even help heart attack survivors live longer.

Get moving
You may live longer, but if you're sick or disable, it won't be much fun. Luckily, exercise can help you attain a better quality of life as you age. You don't need to run or jog.Just walking at brisk pace translates into major health benefits. Aim for 30m minutes a day.

Reach for red.
Revesveratrol, an ingredient in red wine, seems to have powerful anti aging effect. Research suggest that it offers the same life-lengthening benefits as calorie restriction-without the hunger pangs.