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Question: From London, United Kingdom: I have read that someone with type 1 diabetes taking more exercise than usual can take less insulin or should eat more carbohydrate. If insulin is used to get glucose into the body's cells, why should more activity require less insulin? Is insulin sometimes required twice (being used to store carbohydrate currently not wanted in the liver)? Answer: Exercise allows insulin to work more efficiently by changing insulin receptor activity on the cell surface -- including the muscle cell. Thus, more exercise/activity, less insulin needed to do the job of allowing glucose to enter the cell. Therefore, more food or less insulin is needed to keep glucose levels steady with activity. A key problem is figuring out when this change occurs. Most advice is too simplistic and merely says take more food or take less insulin. In fact, one needs to decide whether this should be during the activity, just after the activity, or for hours later. This is very individualized and also changes with intensity and duration of activity, whether the activity is truly aerobic or not and idiosyncratic factors. Frequent blood glucose testing usually can help define what occurs for any individual. Working with your diabetes team can help you figure out ways to respond to activity. SB DTQ-20020826190357 Original posting 8 Sep 2002 Posted to Exercise and Sports

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			Jump to a new section --[ Getting Around ]-- Home Page What's New Guide to CWD Help with Error Messages Index Privacy Policy Search Site Map --[ People ]-- Family Support Network Adults with Diabetes Care Photos Chat Rooms Conferences Kids with Diabetes Parents Parent Humor Scholarships and Financial Aid Grandparents Humorous Tidbits Jobs Mailing Lists CWD Forums Poetry and Art Videos Polls Quilt for Life Surveys Blogs --[ Clinic ]-- Ask the Diabetes Team Alternate Site Testing Alternative Treatments Care Suggestions CWD Español Diabetes Basics Diabetes at School 504 Plans Diabetes Camps Diabetes Dictionary Insulin Pumps Nutrition Podcasts Presentations Products Product Marketplace Sports Studies Warning Signs --[ Sources ]-- News and Information Diabetes Advocacy Links to Other Web Sites Press Releases Regional Information Services Support Groups --[ Feedback ]-- About CWD Get CWD Products Advertise Awards Contribute Your Experiences Disclaimer Letters to the Editor Logos and Linking Share our Brochures

Last Updated: Sun Jan 15 12:11:16 2006
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