With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Coronary artery disease can be prevented by eating a healthy diet.
text_B: Coronary artery disease -LRB- CAD -RRB- , also known as ischemic heart disease -LRB- IHD -RRB- , is a group of diseases that includes  : stable angina , unstable angina , myocardial infarction , and sudden cardiac death .. stable angina. stable angina. unstable angina. unstable angina. myocardial infarction. myocardial infarction. sudden cardiac death. sudden cardiac death. It is within the group of cardiovascular diseases of which it is the most common type .. A common symptom is chest pain or discomfort which may travel into the shoulder , arm , back , neck , or jaw .. chest pain. chest pain. Occasionally it may feel like heartburn .. heartburn. heartburn. Usually symptoms occur with exercise or emotional stress , last less than a few minutes , and get better with rest .. stress. Stress ( psychological ). Shortness of breath may also occur and sometimes no symptoms are present .. Shortness of breath. Shortness of breath. The first sign is occasionally a heart attack .. Other complications include heart failure or an irregular heartbeat .. irregular heartbeat. arrhythmia. heart failure. heart failure. Risk factors include  : high blood pressure , smoking , diabetes , lack of exercise , obesity , high blood cholesterol , poor diet , and excessive alcohol , among others .. smoking. tobacco smoking. diabetes. diabetes mellitus. obesity. obesity. high blood cholesterol. hypercholesterolaemia. high blood pressure. hypertension. alcohol. ethanol. Other risks include depression .. depression. major depressive disorder. The underlying mechanism involves atherosclerosis of the arteries of the heart .. arteries of the heart. Coronary arteries. atherosclerosis. atherosclerosis. A number of tests may help with diagnoses including  : electrocardiogram , cardiac stress testing , coronary computed tomographic angiography , and coronary angiogram , among others .. coronary computed tomographic angiography. coronary computed tomographic angiography. coronary angiogram. Coronary catheterization. stress. Stress ( psychological ). electrocardiogram. electrocardiogram. Prevention is by eating a healthy diet , regular exercise , maintaining a healthy weight and not smoking .. smoking. tobacco smoking. Sometimes medication for diabetes , high cholesterol , or high blood pressure are also used .. diabetes. diabetes mellitus. high blood pressure. hypertension. There is limited evidence for screening people who are at low risk and do not have symptoms .. Treatment involves the same measures as prevention .. Additional medications such as antiplatelets including aspirin , beta blockers , or nitroglycerin may be recommended .. nitroglycerin. Medical use of nitroglycerin. antiplatelets. antiplatelet drug. aspirin. aspirin. Procedures such as percutaneous coronary intervention -LRB- PCI -RRB- or coronary artery bypass surgery -LRB- CABG -RRB- may be used in severe disease .. coronary artery bypass surgery. coronary artery bypass surgery. percutaneous coronary intervention. percutaneous coronary intervention. In those with stable CAD it is unclear if PCI or CABG in addition to the other treatments improve life expectancy or decreases heart attack risk .. life expectancy. life expectancy. In 2015 CAD affected 110 million people and resulted in 8.9 million deaths .. It makes up 15.9 % of all deaths making it the most common cause of death globally .. most common cause of death. most common causes of death. The risk of death from CAD for a given age has decreased between 1980 and 2010 , especially in developed countries .. developed countries. developed country. The number of cases of CAD for a given age has also decreased between 1990 and 2010 .. In the United States in 2010 about 20 % of those over 65 had CAD , while it was present in 7 % of those 45 to 64 , and 1.3 % of those 18 to 45 .. United States. United States. Rates are higher among men than women of a given age .
related.