Although G6PD deficiency, which can cause problems in red blood cells upon certain triggers, is the most common human enzyme defect, affecting over 400 million people, including over 1 in 10 Black Glucose 6 phosphate Dehydrogenase (G6PD) Enzyme ROS Scavenger Biochemistry & Hematology Hemolytic Anemias Part 4: G6PD Deficiency; Pathophysiology,Morphology, clinical features Glucose 6 phosphate dehydrogenase (G6PD) deficiency is linked with cardiovascular disease Hypertension Research