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Sweaty, ugly and looking for a reason to stop
June 10th, 2012
08:00 AM ET

Sweaty, ugly and looking for a reason to stop

Jeff Dauler is one of seven CNN viewers training for the Nautica Malibu Triathlon with CNN's Dr. Sanjay Gupta. Recently Dauler and the rest of his teammates traveled to Hawaii for a week of intensive training.

The highlight of my trip to Hawaii was the 30+ mile bike ride that we took one morning with Dr. Gupta and Ironman champ Chris Lieto.

We rode from our resort into Kona, stopping at mile 25 to tape some TV stuff and go for a short run. Obviously, completing the ride was a big deal. But, at the risk of sounding too cliche, it was the journey and not the destination that made that day so important to me.

About 12 of us left the resort as a group, and by the time we were a few miles into the adventure, ability divided us into smaller pockets of riders. I was soon left in the dust by Lieto and Gupta as they powered up the hills along the busy (and very windy) Queen K highway - part of the actual Ironman course.

I kept pressing forward as I saw my teammates' red jerseys get farther and farther away, until they were gone. When I finally got the courage to look behind me, I didn't see anyone there either. I was a one-man Hawaiian wolfpack, on a bike, hoping I'd find the correct turn before I circled the whole island. Just me and the hills.
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Sleepy brains drawn to junk food
June 10th, 2012
12:01 AM ET

Sleepy brains drawn to junk food

As any college student or shift worker will tell you, staying up all night or even just skimping on sleep can lead a person to seek out satisfying, calorie-packed foods.

An emerging body of research suggests that sleep-related hunger and food cravings, which may contribute to weight gain, are fueled in part by certain gut hormones involved in appetite. But our brain, and not just our belly, may play a role as well.

According to two small studies presented today at a meeting of sleep researchers in Boston, sleep deprivation appears to increase activity in areas of the brain that seek out pleasure - including that provided by junk food. To make matters worse, sleepiness also may dampen activity in other brain regions that usually serve as a brake on this type of craving.
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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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