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Glycemic Index: Should GI Guide Your Food Choices?

Many popular diet books recommend avoiding
foods with a high Glycemic Index. When youraises blood sugar levels. GL is calculated
eat a food, your blood sugar level rises.by  multiplying  the
The
grams of carbohydrate in a serving of food
food that raises blood sugar the highest isby  that  food's
pure  table  sugar. The
glycemic index. Carrots dropped from high
Glycemic Index (GI) is a ratio of how high aGI  of  131  to  a  GL  of
food  raises  blood
10. Potatoes fall from a GI of 121 to a GL
sugar in comparison to table sugar. Foodsof  45. Air-popped
whose  carbohydrates
popcorn, with a GI of 79, has a GL of 4.GI
break down slowly release glucose into theand GL indexes are tools for research that
bloodstream  slowly,will  drive  you
so blood sugar levels do not rise high andcrazy if you try to apply them to your daily
therefore  these  foodsselection  of  foods.
have low GI scores. Those that break downInstead, use your own common sense and eat
quickly  cause  a  highplenty  of  fruits,
rise in blood sugar and have a high GI.vegetables, whole grains, beans and other
Most  beans,  whole  grainsseeds. If  you  are  diabetic,
and non-starchy vegetables have low GI;you can eat root vegetables and fruits with
while  sugars,  refinedother  foods  to  slow  the
grains, fruits and root vegetables have arise in blood sugar they may cause.For more
high GI.A carrot has almost the same GI ason GL and sensible nutrition, read "Eat,
sugar,  but  commonDrink,
sense tells you that a carrot is moreand Be Healthy: The Harvard Medical School
healthful  than  table  sugar.Guide  to  Healthy  Eating"
Foods that are mostly water or air will not(Simon & Schuster, June 2001), by Harvard
cause  a  steep  rise  inSchool  of  Public  Health
your blood sugar even if their GI is high.professor and researcher Walter Willett, M.D
That's  why  a  new-- highly recommended.Subscribe to my FREE
weekly newsletter on fitness, health, and
measure, called Glycemic Load (GL), is morenutrition.Dr. Gabe Mirkin has been a radio
useful. This  tellstalk show host for 25 years and practicing
physician for more than 40 years; he is board
you how much sugar is in a portion of foodcertified in four specialties, including
as  well  as  how  high  itsports medicine.



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