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Cardiology news

Genetics

The aging heart accumulates mutations—while losing the ability to repair them

Why does the risk of heart disease go up as we age? Known risk factors such as hypertension or high cholesterol don't explain all cases. A first-of-its-kind study from Boston Children's Hospital now shows that the cells that ...

Diseases, Conditions, Syndromes

Key blood clotting protein could be 'warning light' for severe COVID cases

A protein that could be an early indicator of severe COVID-19 has been identified and described by scientists at the University of Aberdeen.

Cardiology

Dementia risk may be higher if an upper heart chamber is abnormal

Structural or functional abnormalities within the heart's left atrium, with or without symptoms, may increase a person's risk of developing dementia later in life by 35%, according to new research published today in the Journal ...

Cardiology

Removing protein makes non-stick arteries

Stray platelets from our blood can stick to the linings of our blood vessels, eventually causing clogs, heart attacks and strokes. But platelets make poor targets for heart disease drugs; making platelets less prone to clogs ...

Cardiology

Study finds two protein pathways downregulated in postnatal heart

In work published today in Stem Cell Reports, researchers from the University of Minnesota Medical School discovered two signaling pathways that are downregulated in human hearts after birth. These pathways, mitogen-activated ...

Cardiology

SuPAR identifies patients at high risk of blood clot formation

Blood clots are thought to occur in as many as a third of patients hospitalized with COVID-19. In many cases these clots can be deadly, such as pulmonary embolisms—blood clots that travel to the lungs. In fact, in nearly ...

Cardiology

Can exposure to 'young' blood increase lifespan?

A new study in which young and old mice were surgically joined such that they shared blood circulation for three months showed that the old mice did not significantly benefit in terms of lifespan. In contrast, the young mice ...

Cardiology

How does stroke impact your vision?

The visual pathway is very long and goes from the eyes to the occipital lobe, which is the region in the cerebral hemisphere that processes vision. Since the visual pathway goes through the cerebral hemisphere on each side, ...