David C. W. Lau MD PhD FRCPC


Diabetes: How to Prepare for a Colonoscopy

What is a colonoscopy? A colonoscopy is a test that lets a doctor look inside your colon. The doctor uses a thin, lighted tube called a colonoscope to look for small growths (called polyps ), cancer, and other problems like bleeding. During the test, the doctor can take samples of tissue that can be checked for cancer…

Prediabetes: Progression to Type 2 Diabetes

Making major lifestyle changes or taking metformin both work better than a placebo pill at delaying or preventing type 2 diabetes. For many people, making major lifestyle changes works better than taking metformin to help delay or prevent type 2 diabetes for up to 10 years. A follow-up study at 15 years showed that…

Linda’s Story: Getting Active When You Have Prediabetes

Linda works full time, has three young children, and has zero time for the gym. So when she learned that she had prediabetes, she had to find creative ways to fit activity into her day. “My trick is to not call it ‘exercise.’ Instead, I just look for ways to add small workouts to my day,” she says. For example, after…

Insulin: Reusing Syringes and Lancets Safely

Some people with diabetes use their insulin syringes and lancets more than once to save money. But makers of syringes and lancets do not recommend using them more than once. Talk with your doctor before reusing these items. Some people who have diabetes should not reuse their syringes or lancets, including people who…

Glucagon

Glucagon is a hormone produced by the pancreas that causes the liver to release its stored sugar into the bloodstream. Glucagon is also available as a prescription medicine that comes in prefilled vials and syringes and works in the same way as the natural hormone. People with diabetes or hypoglycemia sometimes develop…