A new study published in The Journal of Clinical Endocrinology & Metabolism found that a ketogenic diet significantly ...

For the perfusion scan for the blood flow test, the doctor will inject a small amount of radioisotope into your vein. Then, the VQ scanner will pick up the radioisotope energy in your body.

Trapped immune cells laden with microplastics starve the brain of oxygen—mouse study links vascular blockages to memory loss and motor deficits, with lingering risks even after symptoms fade.

A perfusion machine containing a liver from a deceased donor. The machine essentially pumps blood or an oxygenated fluid through tubes into the blood vessels of a donated organ, preserving it ...

Studies suggest Viagra (sildenafil) may lower Alzheimer's risk by improving blood flow and reducing toxic protein buildup in the brain, though more research is needed.

A heart perfusion scan is a common test to assess heart health if you're at high risk of coronary artery disease or have had a heart attack.

Doctors say they can boost the odds donated organs will be usable by restarting blood circulation with a pump after donors are declared dead. Critics say the procedure blurs the definition of death.

Huawei announced its new Watch 5, which sports a new sensor on the side that measures blood oxygen, EKGs, and several other health metrics.

A glassfrog during different levels of activity, showing the change in RBC perfusion within its circulatory system. The same animal was filmed across all three conditions using transmitted light.

Doctors may use a heart perfusion imaging scan to check a person's heart health and function. Learn the risks, procedure, and how to prepare for this test.

Perfusion describes when fluids such as blood and lymph pass through tissue. A perfusionist is a professional who operates machinery when this process requires assistance, such as during heart ...

When you breathe, a certain fraction of your air enters the lungs and blood flows through the capillaries. When this ratio is above or below 0.8, you may have ventilation/perfusion (V/Q) mismatch.