I think the component is hostility. From most research there is a connection between type A behavior pattern and coronary heart disease. The recent researches show that Hostility is the most toxic component of the type A behavior pattern. Hostility is a better predictor of coronary heart disease in aged men than the variety of other sociodemographic and physiological risk factors including drinking, smoking among other factors.
It would 100% be 40 to 50 years old.
When the cell gains glucose, the process of glycolysis occurs and then the glucose is broken down into pyruvate.
Now, in pyruvate processing, Acetyl CoA is produced and used in the Krebs Cycle.
During that process, NADH and FADH2 are made and go into the electron transport chain. That is where water and ATP are made.