Welcome to our Ask John column. Here, we’ll be posting questions from visitors that John has answered. These questions cover a wide range of topics. If you would like to send John a question, visit our contact page to post them. Please note that any advice given should be discussed with your physician before you try them.

Here’s a few topics that have been addressed:

How to Tell If Your Insulin Has Gone Bad: Real Case Q&A

Insulin Pump Use During Sports: Real Case Q&A

Affordable CGM Options for Prediabetes and Glucose Monitoring: Real Case Q&A

Infusion Set Help for Toddlers Using an Insulin Pump: Real Case Q&A