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Matthew Kadey, MS, RD Friday, 18 November 2011 10:55 TWEET COMMENTS 0

Sugar Shock - Page 2

Immediately post-run you are also free to consume sugar, guilt-free. At this time, muscles are craving sugar to replenish glycogen stores to prepare you for your next trail session. Don't go overboard, but if you're going to drink pop or eat a jumbo muffin with your java anyway, this is the time. As for the rest of the day? Shelf sugary foods. Pre-run breakfast the next day? Gidus recommends whole-grain cereal with milk, plain yogurt or an apple with peanut butter as lower-GI options.

Sugar and Health

There is a reason we keep coming back to sugar-spiked frappuccinos: We've got a sweet "food addiction." Studies suggest that sugar activates the brain's neural pathways in a manner similar to taking narcotic drugs. "Sugar can stimulate the release of feel-good opioids and dopamine in the brain and have addictive potential," says Nicole M. Avena, Ph.D., Assistant Professor in the Department of Psychiatry at the University of Florida, in Gainesville. "Just as morphine addicts need extra hits in order to feel an effect, you begin to need more sugar to feel satisfied."

The more you satisfy these cravings, the more likely it is that you'll be trying to run off a Buddha-belly as your sugar calorie intake sneaks upwards. "Sugar doesn't provide satiety like other nutrients, which can lead to overeating," says Gidus. So it's easy to stuff yourself silly on chocolate cake. A bowl of chickpeas? Not so much.

The ill effects don't stop at worsening your buff-to-blubber ratio. Jacob Teitelbaum, MD, author of Beat Sugar Addiction Now!, says overeating sweeteners forces your pancreas to work overtime cranking out insulin to clear glucose from the blood. "Eventually, this can lead to insulin resistance, where it takes a lot more insulin to get the same effect, paving the way for Type 2 diabetes."

Further, a recent study published in the Journal of the American Medical Association showed that increased intake of sugar-sweetened foods can lower levels of HDL (good) cholesterol while simultaneously raising blood triglyceride levels, both risk factors for heart disease.

In particular, the dietary thug appears to be the fructose in added sweeteners such as high-fructose corn syrup. Consuming reasonable amounts of fructose in items such a fruits is OK, the problem arises when we eat too much of the stuff in sugar-spiked foods. "It appears that excess fructose can stimulate fat production in the liver raising the risk of developing high cholesterol, hypertension, diabetes and a spare tire around your belly," says Teitelbaum.

 

Sack the Sugar

  • The American Heart Association recommends that most American women should consume no more than 100 calories or six teaspoons of added sugars per day; most men, no more than 150 calories or nine teaspoons.
  • One 12-ounce can of regular soda contains about eight teaspoons. While a fit trail runner can probably get away with more, with so many health concerns, burning a bunch of calories on the trail is no excuse to spoil a sweet tooth rotten.
  • Says Molly Kimball, RD, the nutrition program manager at Ochsner's Elmwood Fitness Center in New Orleans, "The bottom line is that we should be consuming a lot less of all added sweeteners."

 

Shake the Sugar Habit

  • Stick with whole foods. The most effective means to limiting your added sugar intake, says Kimball, is to base your training diet around unadulterated whole foods such as fruits, vegetables, nuts, beans, lean meats and plain dairy.
  • Read the fine print. While some sources of sugar are obvious—the packet you pour into your morning java or the gel you suck down mid-run—be aware of the less obvious sweet stuff finding its way into a dizzying array of products. "Products labeled `high-fructose-corn-syrup-free' are not necessarily sweetener free," says Gidus. Ingredient-list reading is a must. Most likely you recognize sugar's most common aliases: corn syrup, high-fructose corn syrup and sucrose. But Gidus advises also watching out for sugar pseudonyms such as barley malt, brown-rice syrup, agave syrup, evaporated cane juice, maltodextrin, concentrated fruit juice and polydextrose.
  • Play the clock. Limit intake of sports drinks, gels and sweetener-laden bars to only during and immediately after a workout.
  • Fall for fruit. "Satisfy your sweet tooth with fruit, which has loads of fiber and antioxidants," says Kimball. Dried fruit and 100-percent fruit juices will also do in a pinch, she says, but are more concentrated sources of sugar calories so limit your intake.
  • Embrace other tastes. Sugar is but just one of the five main tastes. Gradually increase your intake of pure sour, bitter and savory foods, such as unsweetened cranberries and dark, leafy greens.
  • Cut recipe sweeteners. Many recipes call for more sugar than needed for satisfactory sweetness. Two cups of sugar in a cake? Come on! Slowly cut back the amount of added sweeteners in your favorite baked good and other recipes.


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