Sudden cardiac arrest may occur in various conditions when someone, while active (playing basketball or walking with friends), collapses and passes out. Their blood pressure drops, and often their heart stops. This may be ...
Dec 10, 2025
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After joining the GBD 2021 Household Air Pollution team, an international effort to quantify the global health burden of household air pollution from 1990 to 2021, I expected familiar work: analyzing how indoor smoke harms ...
Dec 9, 2025
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Individuals with coronary artery disease (CAD)—a constricting or blocking of blood vessels feeding the heart—face increased risks of strokes, cognitive impairment and dementia. However, the link between CAD and cognitive ...
Nov 25, 2025
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UCLA researchers are finding new treatments to ease the physical ailments caused by post-traumatic stress disorder. Their studies show that addressing the mental effects of trauma early on may help reduce risk of one such ...
Nov 19, 2025
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Obesity severity is incrementally associated with a broad range of cardiometabolic and renal disease burden, as discovered by researchers at Pennington Biomedical Research Center. Recently published in Obesity, the paper ...
Nov 18, 2025
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A specific pattern of proteins in the blood may reflect an increased risk of hereditary atherosclerosis. This is shown in a new study from Karolinska Institutet, examining close relatives of people who had suffered a heart ...
Nov 10, 2025
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New research from Intermountain Health in Salt Lake City finds that patients diagnosed with peripheral arterial disease (PAD) who also have atrial fibrillation (AFib) face a significantly higher risk of major adverse cardiovascular ...
Nov 10, 2025
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A new study from researchers at Intermountain Health reveals that hypertensive disorders of pregnancy (HDP) significantly increase the risk of cardiovascular complications—including heart attack, stroke, heart failure, ...
Nov 9, 2025
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Poor olfaction is associated with an increased risk for coronary heart disease (CHD) in older adults, according to a study published online Oct. 30 in JAMA Otolaryngology-Head & Neck Surgery.
Nov 6, 2025
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Intensive treatment of severe gum disease can help prevent arteries from becoming clogged, supporting heart health and reducing the long-term risk of developing cardiovascular diseases such as coronary heart disease and stroke, ...
Nov 5, 2025
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Coronary heart disease is the narrowing or blockage of the coronary arteries, usually caused by atherosclerosis. Atherosclerosis (sometimes called “hardening” or “clogging” of the arteries) is the buildup of cholesterol and fatty deposits (called plaques) on the inner walls of the arteries. These plaques can restrict blood flow to the heart muscle by physically clogging the artery or by causing abnormal artery tone and function.
Without an adequate blood supply, the heart becomes starved of oxygen and the vital nutrients it needs to work properly. This can cause chest pain called angina. If blood supply to a portion of the heart muscle is cut off entirely, or if the energy demands of the heart become much greater than its blood supply, a heart attack (injury to the heart muscle) may occur.
It is most commonly equated with atherosclerotic coronary artery disease, but coronary disease can be due to other causes, such as coronary vasospasm. It is possible for the stenosis to be caused by spasm.
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