Adults with kidney transplants who were treated for COVID-19 with the antiviral remdesivir within a week of COVID-19 ...

AI-powered blood test that accurately detected liver cancer in geographically and biologically distinct populations from Guatemala and Romania. The study also reveals why the test works, paving the ...

Night terrors are a sleep disorder in which a person quickly awakens from sleep in a terrified state. The cause is unknown but night terrors are often triggered by fever, lack of sleep or periods of ...

Pityriasis rosea is a type of skin rash. It is also called Christmas tree rash. It starts with 1 large, scaly patch. It may be round or oval. This is called the herald patch. It then causes many more ...

Sometimes you drift off to sleep easily. Other times you toss and turn for hours before you slip into a fitful sleep. After lunch you may be dragging. Later, your energy levels soar just in time for ...

Amniotic sac. A thin-walled sac that surrounds the fetus during pregnancy. The sac is filled with liquid made by the fetus (amniotic fluid) and the membrane that covers the fetal side of the placenta ...

What is cat scratch disease? Cat scratches and bites can cause cat scratch disease, a bacterial infection carried in cat saliva. Research suggests a cat may get these bacteria from fleas or their ...

Transverse myelitis is a neurological condition. It happens when the spinal cord becomes inflamed. This inflammation can damage myelin, the insulating material that covers your nerves. Loss of myelin ...

Electrical signals control the beating of your heart. They tell your heart muscle when to contract, a process known as conduction. The normal timing of heartbeats is generated in the upper chamber of ...

One of the most common causes of rapid heartbeats is Wolff-Parkinson-White (WPW) syndrome. It is a rare congenital heart defect, which means it is present at birth, and it can go unnoticed into ...

The lymphatic system is made up of many vessels that carry fluid throughout the body. Lymphedema is an abnormal buildup of protein-rich fluid in any part of the body as a result of malfunction in the ...

Knee injuries involve trauma to one or more tissues that make up the knee joint: ligaments, tendons, cartilage, bones and muscles. These types of injuries may happen due to a fall, forceful twisting ...