Cardiology

How and why blood clots shrink

Blood clotting is the "Jekyll and Hyde" of biological processes. It's a lifesaver when you're bleeding, but gone awry, it causes heart attacks, strokes and other serious medical problems. If a clot grows too big, pieces dislodged ...

Neuroscience

Heparin stimulates food intake and body weight gain in mice

Heparin is a medication widely used to prevent blood clotting; it is named after and mimics the naturally occurring anticoagulant in the body. However, research published today in Cell Reports shows a novel role of heparin ...

Cardiology

Autopsies reveal how meth hurts the heart

Use of the illegal stimulant methamphetamine causes build-up of tough protein fibers in heart muscle, which may help explain the development of enlarged hearts and heart failure in users, according to preliminary research ...

Diseases, Conditions, Syndromes

Varicose veins unlikely to develop into blood clots

Similar to leaky pipes, veins, as they return blood to the heart, sometimes fail to close completely. They stretch out and subsequently leak near the surface of the skin, creating spider or varicose veins that may cause discomfort.

Alzheimer's disease & dementia

Potential Alzheimer's drug prevents abnormal blood clots in the brain

Without a steady supply of blood, neurons can't work. That's why one of the culprits behind Alzheimer's disease is believed to be the persistent blood clots that often form in the brains of Alzheimer's patients, contributing ...

HIV & AIDS

HIV linked with increased risk of sudden cardiac death

People living with human immunodeficiency virus (HIV) have a higher risk of sudden cardiac death than people who do not have HIV, especially if the virus is not well-controlled or if they have other heart disease risk factors, ...

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