
What Low Hemoglobin Means and When It Points to Anemia
A low hemoglobin—below 13 g/dL in men, 12 in women—is only the start. Your MCV reveals the real cause, and some numbers mean it's an emergency.

A low hemoglobin—below 13 g/dL in men, 12 in women—is only the start. Your MCV reveals the real cause, and some numbers mean it's an emergency.