David C. W. Lau MD PhD FRCPC


Diabetes: Taking Care of Your Feet

When you have diabetes, your feet need extra care and attention. Diabetes can damage the nerve endings and blood vessels in your feet, making you less likely to notice when your feet are injured. Diabetes can also interfere with your body’s ability to fight infection. If you develop a minor foot injury, it could become…

Blood Glucose

Discusses blood glucose tests used to diagnose diabetes and prediabetes. Covers types of tests, including fasting blood sugar, 2-hour postprandial blood sugar, random blood sugar, and oral glucose tolerance. Discusses how to prepare and what results mean.

Oral Glucose Tolerance Test

An oral glucose tolerance test measures the body’s ability to use glucose, a type of sugar found in fruits and many other foods. (Glucose is the main source of energy used by the body.) After the person has not had anything to eat or drink during the night, a blood sample is taken on the morning of the test. This is the…

Diabetes Complications

Sometimes complications develop even when risk factors such as blood sugar level and blood pressure have been controlled. But following your treatment to control your blood sugar levels is still an important part of your treatment. The most common serious complications from diabetes are coronary artery disease (CAD) and…