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longevity

Even if optimism doesn't come naturally, it can be taught, researchers say. Therapists can help you practice reframing your expectations, to cultivate a sunnier outlook. Roy Scott/Ikon Images via Getty Images hide caption

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Roy Scott/Ikon Images via Getty Images

Optimists For The Win: Finding The Bright Side Might Help You Live Longer

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Naked mole rats are eusocial, which means they live all crowded together, in a colony underground. Gregory G Dimijian/Getty Images/Science Source hide caption

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Gregory G Dimijian/Getty Images/Science Source

New research shows that daily light walking is important for maintaining health as you age. But if you can't hit 10,000 steps, don't worry. Peter Muller/Getty Images/Cultura RF hide caption

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Peter Muller/Getty Images/Cultura RF

10,000 Steps A Day? How Many You Really Need To Boost Longevity

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The latest study to link coffee and longevity adds to a growing body of evidence that, far from a vice, the brew can be protective of good health. Sutthiwat Srikhrueadam / EyeEm/Getty Images/EyeEm hide caption

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Sutthiwat Srikhrueadam / EyeEm/Getty Images/EyeEm

Coffee Drinkers Are More Likely To Live Longer. Decaf May Do The Trick, Too

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Cutting back up to 25 percent of your calories per day helps slow your metabolism and reduce free radicals that cause cell damage and aging. But would you want to? VisualField/Getty Images hide caption

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VisualField/Getty Images

You May Live Longer By Severely Restricting Calories, Scientists Say

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Eating too much bacon, or too few whole grains, nuts and seeds, can influence your risk of death from heart disease. Nearly half of all deaths from heart disease and Type 2 diabetes are linked to diet. Paul Taylor/Getty Images, John Lawson/Belhaven/Getty Images hide caption

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Paul Taylor/Getty Images, John Lawson/Belhaven/Getty Images
Luciano Lozano/Getty Images

A Brighter Outlook Could Translate To A Longer Life

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Gary Waters/Ikon Images/Getty Images

Has The Human Life Span Hit The Ceiling?

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The long lifespan of the Greenland shark, shown here in the cold, deep waters of the Uummannaq Fjord, may only be surpassed by that of the ocean quahog, a clam known to live as long as 507 years. Julius Nielsen/Science hide caption

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Julius Nielsen/Science

Talk About An Ancient Mariner! Greenland Shark Is At Least 272 Years Old

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A distinct version of the Mediterranean diet is followed on the Blue Zone island of Ikaria, Greece. It emphasizes olive oil, vegetables, beans, fruit, moderate amounts of alcohol and low quantities of meat and dairy products. Gianluca Colla/Courtesy of Blue Zones hide caption

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Gianluca Colla/Courtesy of Blue Zones

Regular nut consumers had about a 20 percent reduction in all-cause mortality, including lower death rates from heart disease and cancer, a study found. iStockphoto hide caption

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iStockphoto

A mural in an ancient tomb in China shows a troupe of eunuchs. How long did they live? Wikimedia Commons hide caption

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Wikimedia Commons

A rhesus monkey eats watermelon, provided by zookeepers, at the Kamla Nehru Zoological Gardens in India in May 2012. Sam Panthaky/AFP/Getty Images hide caption

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Sam Panthaky/AFP/Getty Images