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Oxidative stress is an imbalance between free radicals and antioxidants. Free radicals are molecules that contain oxygen with an uneven number of electrons. Antioxidants are responsible for giving the free radical an electron to stabilize it and make it become less reactive. Our bodies can be exposed to oxidative stress through radiation from the ultraviolet light. It can be exposed through cigarette smoke. As well as being exposed through pollution in the air and water.
A patient with coronary artery disease (CAD) necessitates to have a coronary artery bypass graft (CABG) if there’s too much plaque insider a patient’s coronary arteries. This is the case if the coronary heart disease is severe wherein too much plaque inside arteries prevents blood flow which can lead to heart attack. During CABG, a healthy artery is connected to a blocked artery to create a new pathway for blood to flow to the heart.
