Prevention's Anti-Aging Guide

How to take off 10 years or more--and look and feel better than ever (Anti aging)
-by Andreas von Bubnoff and Joanna Lloyd

We used to think our fate was in the cards--or in the stars. Now, thanks to research unlocking the secrets to living longer and better (Anti Aging), we know different. It turns out that 70% of the factors influencing life expectancy are due to good choices and good luck--not good genes. (Anti aging)

What are the moves that will peel off the years? Prevention asked dozens of scientists studying aging, exercise, nutrition, and related fields which changes deliver the biggest payoff. Read on for their picks--powerful enough to make these researchers adopt them in their own lives (Anti aging).

1. Stay the weight you were at 18 (Anti aging)
"Next to not smoking, this is probably the most important thing we can do to stay healthy and live longer (Anti aging)," says Walter Willett, MD, chair of the department of nutrition at the Harvard School of Public Health. (Anti aging)

Leanness matters, because fat cells produce hormones that raise the risk of type 2 diabetes. They also make sub-stances called cytokines that cause inflammation--stiffening the arteries and the heart and other organs. Carrying excess fat also raises the risk of some cancers. Add it up, and studies show that lean people younger than age 75 halve their chances of premature death, compared with people who are obese. (Anti aging)

The government deems a wide range of weights to be healthy (between 110 and 140 pounds for a 5-foot-4 woman), partly because body frames vary tremendously. So to maintain the weight that's right for you, Willett suggests you periodically try to slip into the dress you wore to your high school prom--assuming, of course, that you were a healthy weight at that age. If not, aim for a body mass index of about 23.5. (Anti aging)

Willett can't use the prom-dress test himself. Nevertheless, at 6-foot-2 and a lean 184 pounds, he dutifully hews to the BMI of his youth. (Anti aging)

2. Take the dynamic duo of supplements (Anti aging)
They're what Bruce N. Ames, PhD, a professor of biochemistry and molecular biology at the University of California, Berkeley, swears by: his daily 800 mg of alpha-lipoic acid and 2,000 mg of acetyl-L-carnitine. In these amounts, he says, the chemicals boost the energy output of mitochondria, which power our cells (anti aging). "I think mitochondrial decay is a major factor in aging," Ames says--it's been linked to diseases such as Alzheimer's and diabetes. (anti aging)

In his studies, elderly rats plied with the supplements had more energy and ran mazes better. "If you're an old rat, you can be enthusiastic," Ames says. "As people, we can't be sure until clinical trials are done." (They're under way.) But the compounds look very safe--the worst side effect documented in humans is a rash, Ames says--and "the data in animals looks really convincing," says S. Mitchell Harman, MD, PhD, president of the Kronos Longevity Research Institute in Phoenix. (anti aging)

3. Skip a meal
This one move could have truly dramatic results. Rats fed 30% less than normal live 30% longer than usual--and in a recent study at the Washington University School of Medicine in St. Louis, the hearts of the leaner human calorie-cutters appeared 10 to 15 years younger than those of regular eaters. (Anti aging)

In other research, calorie restrictors improved their blood insulin levels and had fewer signs of damage to their DNA. Eating less food, scientists believe, may reduce tissue wear and tear from excess blood sugar, inflammation, or rogue molecules known as free radicals. (Anti aging)

Edward Calabrese, PhD, and Mark Mattson, PhD, have opted for "calorie restriction lite." Calabrese, a professor of toxicology and environmental health sciences at the University of Massachusetts, Amherst, dumped the midday meal. Mattson, chief of the laboratory of neurosciences at the National Institute on Aging, has done without breakfast for 20 years. (Anti aging)

Try it (Anti aging)
Skip a meal a day. You don't need to try to cut calories; Mattson's research suggests you'll naturally consume less that day. Or try fasting one day a week. Just drink plenty of water.(Anti aging)

4. Get a pet (Anti aging)
Open up your home and heart to Rover or Boots. Owning a pet reduces the number of visits to the doctor, prolongs survival after a heart attack, and wards off depression (Anti aging), says James Serpell, PhD, director of the Center for the Interaction of Animals and Society at the University of Pennsylvania. (His family has a cat, a dog, a large green iguana, a bearded dragon, and a dozen fish.) (Anti aging)

Pet ownership (anti aging) also protects against a major problem of aging: high blood pressure. In one standout study at State University of New York, Buffalo, stockbrokers with high blood pressure adopted a pet. When they were faced with mental stress, their BP increased less than half as much as in their counterparts without animal pals. But pick your pet with care. There is nothing stress-reducing about a dog that chews the baseboard to bits. (Anti agiing)

5. Get help for what hurts (anti aging)
Studies suggest that continuous pain may dampen the immune system--and evidence is clear that it can cause deep depression and push levels of the noxious stress hormone cortisol higher. (Anti aging)

So enough with the stoicism: Take chronic pain to your doctor and keep complaining until you have a treatment plan that works, says Nathaniel Katz, MD, a neurologist and pain-management specialist at Tufts University School of Medicine. Your mood will improve--and your immune system may perk up, too.(Anti aging)

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