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Study: Global obesity nearly doubled since 1980
February 3rd, 2011
07:00 PM ET

Study: Global obesity nearly doubled since 1980

The global prevalence of obesity has almost doubled since 1980, while some inroads have been made in dropping global cholesterol and high blood pressure rates. Those are the findings of three papers published in the Lancet, looking at global heart disease risk factors between 1980 and 2008.

"Our results show that overweight and obesity, high blood pressure and high cholesterol are no longer Western problems or problems of wealthy nations. Their presence has shifted towards low and middle income countries, making them global problems," according to senior study author Professor Majid Ezzati, from the School of Public Health at Imperial College London.

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Does ADHD come from foods?
February 3rd, 2011
06:30 PM ET

Does ADHD come from foods?

It's still a mystery, and parents and scientists alike are looking for answers about why some 5 million children in the United States have attention deficit hyperactivity disorder, a condition marked by impulsive behavior and a lack of focus. There have been genetic links shown, and plenty of accusations of misdiagnosis, but now the attention turns to a different explanation: Diet.

A team of scientists from the Netherlands set out to demonstrate in a study, published in the Lancet, that there could be a connection between what children eat and their ADHD-like behaviors. They go as far as to say that the standard of care for ADHD should include a restricted diet.

But the researchers did not pinpoint any specific foods that appear to induce ADHD symptoms, and their ideas must be explored further in other studies before being considered definitive, experts say.

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New tool aimed at teens with autism
February 3rd, 2011
01:35 PM ET

New tool aimed at teens with autism

If the years immediately following an autism diagnosis aren't tough enough for a child, the next phase of their life can be even more stressful. Which is why Autism Speaks, one of the biggest autism advocacy groups is unveiling a new tool kit designed to help these children and their families cope with this stage of life.

Life as a teenager is filled with many changes. Hormones are raging, the body's changing, teens move to middle and high schools, and there are a whole new set of social expectations and planning for life after high school. This is difficult terrain to maneuver – and it can be even more challenging if you are teen with autism – the developmental disorder that makes social interaction and communication more difficult.

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Does female sexuality need to be fixed?
February 3rd, 2011
09:51 AM ET

Does female sexuality need to be fixed?

Ian Kerner, a sexuality counselor and New York Times best-selling author, blogs about sex on Thursdays on The Chart. Read more from him at his website, GoodInBed.

At Good in Bed, many of our experts are buzzing about a new documentary called "Orgasm, Inc." Directed by Liz Canner, the film chronicles the race by pharmaceutical companies to get FDA approval on “pink Viagra”—a pill to help treat female sexual dysfunction, or FSD.

The problem with this approach? As the film demonstrates, there’s no clear definition of FSD, which makes it difficult to determine whether it’s a problem that needs “treatment” or simply an example of the differences between male and female sexuality. The truth is that no one really knows what FSD is: Some people liken it to male sexual dysfunction, but there are major flaws with this comparison. It’s easy to tell when a man has premature ejaculation or erectile dysfunction. Female sexuality is less obvious. Women just don’t show clear-cut physical signals when they’re aroused.

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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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