Medically reviewed by Kelly Wood, MD Key Takeaways A1C measures how well your body is controlling your blood sugar over the ...

If you've ever had your blood sugar tested, chances are you've heard your doctor mention your A1C. This simple blood test gives a big-picture view of your average blood sugar levels over the past few ...

The math might seem simple. Unhealthy diet plus no exercise equals heart trouble. But as it turns out, high levels of low-density lipoprotein (LDL) cholesterol (the variety they call bad) isn’t the ...

A new study, published in the journal JAMA Network Open, indicates that maintaining more stable hemoglobin A1c (HbA1c) levels over time in ranges tailored to individuals is associated with a lower ...