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The Takeaway: Living to 100; Obama Turns 50; Bubba Smith

A man swims underwater
All about the genes. So yesterday, we celebrated aging well with Helen Mirren's big win for sexiest body and Jim Presseler's secrets to looking and feeling young at 62. And then the mother of all Debbie Downer news was released. Watching what you eat and exercising to live to be 100? You might be wasting your time, according to two new studies. One report published in the American Journal of Clinical Nutrition found that older people who pursued a healthy lifestyle and lost weight didn't live any longer than sedentary people." Another study - comparing the habits of a group of present-day seniors to those from 40 years ago - found that many centenarians didn't make it there by being good: "Many extremely old people appear to have been as bad as everyone else at indulging in poor health habits during their younger years."

But don't be discouraged and pick up those dumbbells. Genes - and where you live - may play a large part in how long you live, but taking good care of yourself never hurts, experts say. Besides, do you really want to live to be 100? How old is old enough?

... President Obama turns 50 today. On adjusting to his new age: "The worst thing is, I don't feel I'm as fast as I used to be. And I heal up slower on the basketball court. The wonderful thing is, I've been able to maintain my health pretty well."

.. Salmonella outbreak update: CDC: 1 death, 76 illnesses linked to ground turkey. ... Thinking of retiring abroad? Some questions to ask before you make a move.  Also: Best places to retire abroad.

Finally: Bubba Smith, 66, dies. The former pro football player, Miller Lite pitchman and "Police Academy" star was found dead in his home in Los Angeles.

See "In the News" for more on current events, entertainment and how it all relates to you.

(Photo: David Madison/Getty Images)

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