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Similar friends may spread healthy behaviors
December 2nd, 2011
06:00 PM ET

Similar friends may spread healthy behaviors

Who you know influences how you behave, a growing body of research is showing.

Networks of people who know each other can spread the good (happiness) and the bad (obesity, STDs and loneliness).

But it's not just any social network that propagates behaviors and diseases. New research published in the journal Science suggests that having social network contacts of similar gender, weight and body-mass index could help people pick up on healthy behaviors.

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Hope for 'tomato deprivation' sufferers
December 2nd, 2011
03:56 PM ET

Hope for 'tomato deprivation' sufferers

Barry Estabrook is the author of "Tomatoland: How Modern Industrial Agriculture Destroyed Our Most Alluring Fruit."

My favorite garden catalog arrived this week. I am an unabashed lover of tomatoes - real tomatoes that I grow in the summer, not the tough, tasteless orbs that pass for tomatoes in supermarkets this time of year.

So I immediately flipped the pages until I found the tomato section and began gazing longingly at glossy photographs of dear friends from the bygone days of summer.

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Lovel: My year-long triathlon transformation
December 2nd, 2011
08:54 AM ET

Lovel: My year-long triathlon transformation

It’s one year ago this week that I was reading the news on CNN.com and happened across the CNN FitNation Challenge.

The timing was great for me, because in a moment of insanity I had made an annual check-up appointment for the Monday morning after Thanksgiving. Surprise-surprise: my weight was up.

In an attempt to distract my kind doctor from that issue, I mentioned that I was entering a contest to do the NYC Triathlon, and I asked if she thought I was healthy enough to do it.

I have to hand it to her - if she rolled her eyes, it was so subtle that I didn’t notice it. She allowed that since I had recently completed two uneventful 5K races, I would probably be fine to do a triathlon (not that she really believed I would do it).
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December 2nd, 2011
08:42 AM ET

FDA issues guidance for artificial pancreas

The FDA issued draft guidance on Thursday, intended for researchers and device manufactures working to develop and gain FDA approval for an artificial pancreas device system for treating type one diabetes.

In June 2011, the FDA provided draft guidance for development of an earlier type of artificial system that would allow an insulin pump to suspend insulin delivery when blood glucose levels reached certain levels. The system is called the Low Glucose Suspend System.

The new guidance is for a more advanced type of insulin pump system that includes programming to allow the pump to run itself and to determine when it should and shouldn’t provide insulin to the diabetic.

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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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