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The sting of jellyfish, man-of-war and unfulfilled dreams
September 26th, 2011
05:43 PM ET

The sting of jellyfish, man-of-war and unfulfilled dreams

Bloblike sea creatures, the jellyfish and the Portuguese man-of-war thwarted Diana Nyad’s attempt to swim from Cuba to Florida on Sunday.

After the swim, Nyad’s face appeared swollen and she had sting marks across her arm, where she had tussled with the various sea creatures. Nyad said their toxins began to cause partial paralysis and made it increasingly difficult for her to breathe and continue the swim.

Jellyfish don’t sting people in search of a meal, said Richard Satterlie, professor of marine biology at the Center for Marine Science at the University of North Carolina at Wilmington. They tend to sting anything or anyone they come into contact with.    FULL POST


Vitamin B12 deficiency linked to memory problems
September 26th, 2011
04:49 PM ET

Vitamin B12 deficiency linked to memory problems

There's been a lot of buzz about vitamin B12 in recent years, and here's another reason to pay attention to it:

A new study finds that a deficiency in vitamin B12 is associated with memory and thinking problems, as well as brain shrinkage. The research is published in the journal Neurology.

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September 26th, 2011
10:07 AM ET

How do we prevent kidney stones in kids?

Every weekday, a CNNHealth expert doctor answers a viewer question. On Mondays, it's pediatrician Dr. Jennifer Shu.

Question asked by Aaron from California:

My 12-year-old daughter was found to have calcium oxalate crystals in her urine. The doctor said to watch out for kidney stones, which happen to run in our family. What should we do to prevent my daughter from developing stones?
FULL POST


Fewer hospitals giving away free formula
September 26th, 2011
12:01 AM ET

Fewer hospitals giving away free formula

An increasing number of hospitals are no longer giving new moms industry-sponsored baby formula samples when they leave the hospital, and that's a good thing,  health experts say.

The number of hospitals choosing to discontinue this practice doubled, on average, in the past four years according to a study published Monday in the journal Pediatrics.

However, most hospitals still send new parents home with samples of formula, even though major health organizations including the American Academy of Pediatrics, World Health Organization, Centers for Disease Control and Prevention and the American Congress of Obstetricians and Gynecologists recommend mothers try to exclusively breastfeed their babies for the first six months of life.  Breast milk is considered to be the best source of nutrition for newborns and infants.

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New member of the family?  You may need a new vaccine
September 26th, 2011
12:01 AM ET

New member of the family? You may need a new vaccine

There is nothing quite as momentous as bringing a new baby home.  There are smiles, kisses and sometimes tears, especially for families who have waited a long time for the moment to arrive.  For parents who adopt children from abroad, arriving home is often extra special.  The investment of time,  money and travel has resulted in a homecoming for a special little person who is finally sleeping safely in Mom and Dad's arms.

In the past, experts have told parents who travel internationally to adopt children to get vaccinated against the hepatitis A virus.  Now the American Academy of Pediatrics is supporting a Centers for Disease Control and Prevention  recommendation that other people who may have close contact with the children in the months after they arrive in the United States also get vaccinated.

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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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