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 ...

Typically, a person’s fasting blood sugar level should be below 99 milligrams per deciliter (mg/dL). Keeping blood glucose levels within a safe range can reduce the risk of diabetes and heart disease.

Since I am diabetic and have to check my blood-sugar level each day, I made a chart showing the date, the time of day and the reading. I take this information with me to the doctor, and he can tell in ...