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Narcissistic men have higher levels of stress hormone
January 23rd, 2012
05:00 PM ET

Narcissistic men have higher levels of stress hormone

Men who are narcissistic are likely to have higher levels of a primary stress hormone called cortisol, a new study finds.

However, the same trend was not as strong for women with narcissist traits, according to research published Monday in the journal Public Library of Science ONE.

“The more narcissistic, the more cortisol that men have in mundane situations,” said author Sara Konrath, who is the director of the Interdisciplinary Program on Empathy and Altruism Research at the University of Michigan.
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Magic mushrooms may be therapeutic
January 23rd, 2012
03:30 PM ET

Magic mushrooms may be therapeutic

Rave-goers and visitors to Amsterdam before December 2008 may be intimately familiar with magic mushrooms, but there's little scientific knowledge on what happens to the brain while tripping.

Now it appears that more research is warranted. A growing number of studies suggested that perhaps the mushrooms' key ingredient could work magic for certain mental disorders.

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My (irrational) fears about training for a tri
January 23rd, 2012
01:30 PM ET

My (irrational) fears about training for a tri

Editor's Note: This year, CNN selected 7 viewers to be part of the Fit Nation Triathlon Challenge.  Each participant is new to the sport of triathlon, and receives all of the gear and training necessary to compete in the Nautica Malibu Triathlon alongside Dr. Sanjay Gupta in September 2012.  Adrienne LaGier is a journalism teacher and mother of two from Maryland, who will be getting married two weeks before the Malibu race.

One of the questions on the CNN Fit Nation athlete questionnaire our coaches sent to us centered around our fears. I've decided to make a list, hoping nearly all of them will prove to be unfounded by the end of the process.

My set of probably totally irrational fears include ...

1) Not looking drastically different after 9 months of training. I want to lose 60 pounds during this process and hope that my trainer will help me accomplish my goal. I've come across a bunch of triathletes in the past few weeks online who are my size now who only ended up losing 15 to 20 pounds after all their training. Not gonna be this gal.
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Do women feel more pain than men?
January 23rd, 2012
03:01 AM ET

Do women feel more pain than men?

The ache, the hurt, the burn, the stab. We use all kinds of words to describe pain, but the truth is that there’s no way to know if what you experience as pain differs from anyone else’s – it’s a matter of individual perception.

Scientists are honing in on a disparity between men and women that may exist in that perception. In the largest study of its kind, Stanford researchers analyzed electronic medical records for ratings of pain, and found that women tend to report greater amounts of pain in a variety of diagnoses. They report their results in Monday in the Journal of Pain.

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January 23rd, 2012
12:05 AM ET

Some cancer patients continue to smoke after diagnosis

Doctors say smoking is such an addictive habit that many people still light up, even when they're seriously ill. Now a new study finds even cancer patients rely on tobacco to get them through the day, and that's not good.

According to new data, published in the online version of the journal CANCER, researchers have found a large number of colon and lung cancer patients did not give up smoking, even though they knew it was not good for them.

According to physicians, giving up tobacco is crucial after a cancer diagnosis because smoking can hinder treatment results.
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Severe traumatic brain injury affects development in young children
January 23rd, 2012
12:03 AM ET

Severe traumatic brain injury affects development in young children

Children who have severe traumatic brain injuries early in life may have impaired cognitive development and long-term intellectual ability as they get older, according to two small studies published Monday in the journal Pediatrics. 

The first study compared the social, intellectual, and behavioral functions of 53 children who had experienced a traumatic brain injury before the age of three, most of which were the result of falls, with 27 children of the same age who had never sustained a TBI. 

The authors write that while a severe TBI was associated with lowered intellectual function, the socioeconomic status of the child's family may be a more powerful predictor of the child's intellectual development.  They cannot fully explain why, but they suggest lower socioeconomic status, high parental stress and low parental involvement has an effect on a child's recovery. 
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Adolescents more likely to ignore sun protection as they age
January 23rd, 2012
12:01 AM ET

Adolescents more likely to ignore sun protection as they age

Positive sun behaviors may decrease and tan-seeking behaviors increase as a child goes through adolescence, according to a study published Monday in the journal Pediatrics.

Researchers studied 360 fifth-graders in 2004 and followed up with them in 2007.  Approximate ages were 10 to 13.

"I'm sure the parents had more say in [children's] sun behaviors when they were ten years old- applying sunscreen and keeping them out of the sun more," said Dr. Stephen Dusza, lead author and research epidemiologist from Memorial Sloan-Kettering Cancer Center.

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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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