Angina frequently and what is related

1, smoking

tobacco combustion releases harmful substances, inhalation can stimulate coronary endothelial cells to release vasoconstrictor factors, leading to coronary artery spasm, so that coronary artery becomes narrow, reduce blood flow, causing frequent angina pectoris.

2, physical labor

regardless of physical condition, frequent physical labor, labor process myocardial oxygen consumption increases, coronary artery can not provide sufficient oxygenated blood to the myocardium, will induce angina pectoris.

3, hyperthyroidism The

disease leads to hypermetabolism, the heart needs to pump more blood to meet demand, so that the heart burden increases, leading to angina attack.