The hemoglobin A1C test measures average blood glucose levels over three months, providing critical insights into diabetes risk and management. While standard diagnostic thresholds remain consistent ...

Medically reviewed by Isabel Casimiro, MD, PhD Key Takeaways A1C measures how well your body is controlling your blood sugar ...

High A1C levels are a risk factor for diabetes and other complications. However, ideal and dangerous A1C levels can vary slightly between each individual. Lifestyle changes can help manage A1C levels.

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 ...

Should A1c remain the gold standard for routine monitoring of glucose control in people with diabetes, or is it time to shift ...

The HbA1c test is widely recognised as a key tool for checking how well diabetes is controlled. This test provides an average of blood sugar levels over the past three months, similar to a report card ...

Diabetes is characterized by elevated levels of sugar or glucose (hyperglycemia) in the blood. This occurs due to the lack of the hormone insulin in type 1 diabetes, and to reduced insulin levels in ...