MONDAY, Feb. 22, 2021 (HealthDay News) — Large visit-to-visit hemoglobin A1c (HbA1c) variability is associated with an increased risk for cardiovascular disease in patients with type 2 diabetes, according to a study published in the January issue of Diabetes, Obesity & Metabolism. Yun Shen, M.D., from the Pennington Biomedical Research Center in Baton Rouge, Louisiana,...