The Edmond Sun

Features

January 2, 2013

Hunger games: The new science of fasting

(Continued)

Some even argue that we are evolutionarily adapted to going without food intermittently. "The evidence is pretty strong that our ancestors did not eat three meals a day plus snacks," Mattson says. "Our genes are geared to being able to cope with periods of no food."

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Trying out a fast

Fasting will leave you feeling crummy in the short term because it takes time for your body to break psychological and biological habits, researchers say. There isn't really agreement, though, on what fasting entails. To research this article, I am trying out the "5:2" diet, which allows me 600 calories in a single meal on each of two weekly "fast" days. (The normal recommended daily intake is about 2,000 calories for a woman and 2,500 for a man.) Proving that fasting is not necessarily about losing weight, I am allowed to eat whatever I want on the five non-fast days.

A more draconian regimen than the 5:2 plan has restricted-calorie fasts every other day. Then there's total fasting, in which participants go without food for one to five days. (Fasting for more than about a week is considered dangerous.) This might be a one-off experience, or repeated weekly or monthly.

Different regimens have different effects on the body. A fast is considered to start about 10 to 12 hours after a meal, when you have used up all the available glucose in your blood and start converting glycogen stored in liver and muscle cells into glucose to use for energy. If the fast continues, there is a gradual move toward breaking down stored body fat, and the liver produces "ketone bodies," short molecules that are byproducts of the breakdown of fatty acids. These can be used by the brain as fuel. This process is in full swing three to four days into a fast.

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    An original article of the Wild West will be made available at auction Thursday. The rifle of legendary lawman Wyatt Earp will be part of the J. Levine Auction & Appraisal’s Summer Quarterly Auction in Scottsdale, Ariz.
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    Wyatt Earp collector Barry Tapp of Edmond will be selling his 1895 Wyatt Earp Marlin rifle at the auction. The rifle has an estimated value between $50,000 and $75,000. It includes authentication documentation from Tombstone Heritage Museum, according to the auction house

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    July 28, 2014 1 Photo

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  • How to care for your pet without breaking the bank

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    July 28, 2014

  • MS_new pastor_Page_1.tiff Local church welcomes new pastor

    For one of Edmond’s newest pastors, faith and family intersect on a personal level.
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    July 28, 2014 1 Photo

  • pm_Ramona Paul.jpg Keith, 5 others to receive service awards

    The 2014 Door-Opener Awards Gala dinner and silent auction Sept. 4, benefitting ASTEC Charter Schools, will recognize five outstanding Oklahomans and one Kansan for lifetime contributions made toward helping others in society maximize potential and achieve dreams.
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    July 28, 2014 2 Photos

  • MS_Andy Billups.jpg Local man relies on experience in July 4 emergency

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    July 26, 2014 1 Photo

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    July 25, 2014 1 Photo

  • Final step to train toddler with baby on way

    Q: Using your advice, I successfully toilet-trained my daughter by age 16 months. It is now three months later and we are still using diapers at naps and nighttime. At her nap, which lasts several hours, she fully soaks her diaper. At night, she is taking off her diaper prior to falling asleep, wetting the bed after she goes to sleep and then crying for us when she wakes up in a pool of pee. Is this a sign that I should begin night training? I'm hesitant to do this because I am 8 months pregnant and don't relish the idea of waking up several times a night to take her to the bathroom and tending to a newborn as well. I would prefer to continue using diapers until she is old enough to get out of bed and take herself to the potty (even a potty in her room). Is this unrealistic? Or should I just deal with the extra night wakings and start taking her to the potty a few times a night now? If not, how do I keep her diaper on at night?

    July 25, 2014