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February 13th, 2012
08:56 PM ET

Patient's own stem cells help heal heart

A patient's own heart cells can be used to regrow new heart tissue and help undo damage caused by a heart attack, according to early research published on Monday.

Scientists at Cedars-Sinai Medical Center in Los Angeles and Johns Hopkins University in Baltimore were able to treat 17 heart attack patients with cells grown from their own heart tissue. Not only did this show that the procedure was safe, it also showed that the cells can help reduce scarring and even cause new heart muscle to grow.

When a person suffers a heart attack, he or she is often left with huge areas of scarring in the heart. Scarred heart muscle doesn't pump blood as well as it used to, putting stress on other parts of the heart to make up for the deficit. The damaged area also doesn't conduct electric current as well, leading to an abnormal heart rhythm, which can cause more problems. Heart attack patients often go on to develop heart failure.
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The ticket that changed my life
Jeff Dauler (front) works out with his teammates and Dr. Sanjay Gupta on the Atlanta Hawks practice court.
February 13th, 2012
02:18 PM ET

The ticket that changed my life

Editor's Note: Jeff Dauler, a radio host from Atlanta, Georgia, is one of seven CNN viewers selected to be a part of the Fit Nation Triathlon Challenge program.  Each athlete receives all the tools necessary to train for and compete in the Nautica Malibu Triathlon this September, alongside Dr. Sanjay Gupta.  The seven athletes met up two weeks ago in Atlanta for the official kickoff of the program.

It was a day or two after kick-off weekend, and I finally had a few minutes to tidy up my house. The week or two prior were the types of weeks where everything falls into the "I'll get to it next week" category, so there was a fair amount of clutter to tackle.

I started at my desk and began opening mail, sorting receipts, filing paperwork, discarding trash. I came across the ticket to the Atlanta Hawks game that I attended with my new CNN Fit Nation triathlon family, and I quickly tossed it into the wastebasket beneath my desk.

I've been working in radio almost two decades. I've attended enough concerts, events, and games to fill multiple photo albums with used tickets. I don't keep them.
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Overeating may be linked to memory loss
February 13th, 2012
11:50 AM ET

Overeating may be linked to memory loss

Older people who consume a diet very high in calories may be increasing their risk of mild cognitive impairment (MCI), the memory loss and mental-function problems that sometimes precede Alzheimer's disease.

In a new study of more than 1,200 people in their 70s and 80s, Mayo Clinic researchers found that men and women who consumed at least 2,143 calories per day had more than double the odds of having MCI, compared with those who consumed 1,526 calories per day or less.

Preliminary findings from the study are slated to be presented at the annual meeting of the American Academy of Neurology in April. Unlike research published in medical journals, the study has not yet been thoroughly vetted by other experts in the field.
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New program helps teen girls with weight issues
February 13th, 2012
12:01 AM ET

New program helps teen girls with weight issues

Being obese can be a very isolating experience, and losing weight can be difficult for anyone, particularly for a teenager. 

A new study, funded by the National Institutes of Health, finds that teenage girls gained less weight, ate less fast foods, improved their body images and had more family interaction over meals, after participating in a six-month program designed especially for teenage girls.

The program involved weekly peer meetings, consultations with primary care providers and separate meetings for their parents.

Conducted by Kaiser Permanente, the study is the first to report long-term results from a weight management program designed specifically for this age group.  In previous programs, younger children, teens and family members were included. This one was designed for teen girls only.
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About this blog

Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.

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