A finger stick has long been the gold standard for testing blood sugar levels for people living with diabetes. But, according to Richard Siegel, MD, an endocrinologist and a codirector of the diabetes ...

How often should you test your glucose and A1C? How do food, sleep and exercise affect blood sugar? Here’s what to know. Credit...Illustration by Andrei Cojocaru; Photos by Getty Supported by By Nina ...

Normal blood sugar levels are about 70-100 mg/dL. Your blood sugar will naturally fluctuate a bit throughout the day in response to food and other factors. However, it ideally stays within a set range ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...