From the Every Day Health news article:
If you have diabetes, it’s imperative that you learn to effectively self-test your blood sugar to keep your glucose levels in check. For example, results from a study of more than 5,000 people living with diabetes showed that even those people who don’t take medication for diabetes have better blood sugar control if they test regularly. The study participants’ risk of early kidney damage, strokes, and death from diabetes-related causes was also reduced by one-third.
Read more at the link:
https://www.everydayhealth.com/diabetes/living-with/blood-sugar-testing-mistakes-avoid