This reduces the volume of blood that needs to pass through your blood vessels, which lowers your blood pressure. In certain situations, your body makes hormones called catecholamines. These ...

What is a blood transfusion? A blood transfusion involves receiving donated blood or blood parts into your body through one of your blood vessels. A needle is put into a vein, often in the arm. The ...

Environmental biologists tested the effects of microplastics on the brains of young male mice, taking pictures of the blood vessels in their brains and observing their behavior. They found a new ...

This new research supports previously conducted studies claiming that the remains of soft tissues can, in fact, live on for millions of years.

Laser scanning microscopy is widely used to measure blood hemodynamics with line-scans in physiological and pathological vessels. With scans of broken lines, i.e., lines made of several segments with ...

That lowers blood pressure by reducing the total fluid in your blood vessels, almost like a garden hose that's not turned on all the way. Types of diuretics Your doctor has a few different choices ...

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Importantly, the major biomechanical properties of the heart and circulatory system, including cardiac contraction, ventriculo-vascular coupling, large artery stiffness, and microvasculature ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Bulging blood vessels can appear on the forehead, especially as people age. High blood pressure, stress, sun exposure, vein dysfunction, pregnancy, and other factors can contribute to the ...

Although low blood pressure (otherwise known as hypotension) rarely requires treatment, it may need so if there are symptoms like severe dizziness or fainting. The treatment varies by the cause and ...