I just cut and paste this from the American Diabetes Association website....I have a friend with diabetes, so I was curious as well. Hope this helps. Illegal Drugs The dangers of illegal drugs are similar to those of alcohol. Some drugs lower blood glucose, and others raise it. The symptoms of hypoglycemia can be masked by the effect of the drug. Illegal drugs are also highly addictive, dangerous, bad for your health in other ways, and, of course, illegal. We can't say strongly enough that you should steer clear of all illegal drugs. Always. That said, we know that despite what you read here, and what you know in your head and heart, some teens are going to try drugs. If you do decide to use drugs, take some precautions ahead of time. Set a limit in advance. Ask a friend who's not on drugs to watch you for signs of hypoglycemia. Check your blood glucose often. And always wear your medical ID.
That's cool that the ADA doesn't just spout "abstinance only" rhetoric, and actually give you some pointers. I'm no expert here, in drugs or in diabetes. I do know that smoking weed can give you the munchies hardcore. So, being diabetic, you'll want to not eat everything in sight. Solution? Eat before you get high, foods that you know are ok for you. If you're full you won't get the munchies at all, or at least not much.
