An electrocardiogram, called an EKG or ECG, measures the electrical activity of the heart and collects data about heart's health. Typically, a doctor or technician places electrodes connected to a ...

Vasodilation is the widening of the blood vessels, a process that happens naturally in response to various conditions to ensure blood flow is directed to where it is needed. Vasodilation can be useful ...

Peripheral neuropathy is a broad term for any condition that damages the peripheral nerves that transfer sensory information and carry signals from the central nervous system in the brain and spinal ...

A tracheostomy is a surgical hole made at the front of the neck into the trachea or windpipe. A surgeon will create this hole when the airway is blocked or damaged, preventing air from reaching the ...

Glomeruli are clusters of small blood vessels in the kidney that allow waste to pass from the blood and into the urine. Glomerulonephritis occurs when the glomeruli swell, damaging the kidneys and ...

Healthy dietary adjustments in middle age can have significant effects later in life. Research shows that healthy habits, including eating a healthy diet, can increase the number of years lived ...

Naegleria fowleri is a rare but deadly organism that lives in warm freshwater like lakes, rivers, and hot springs. Most people recognize this dangerous organism by its common name: the brain-eating ...

Learning how to wash your hands properly is an essential step toward bettering your overall health and wellbeing. Every day, we come into contact with many germs that causes illnesses. Just by ...

Pneumonia occurs when bacteria enters your lungs, when food, stomach acid, or your saliva goes down or comes up the esophagus -- the wrong channel. This condition is called pulmonary aspiration, and ...

Swearing has caught the attention of both psychologists and researchers over the years. Is this taboo language harmful? Is swearing getting worse? Does swearing influence children? Is swearing linked ...

In 1968, Dr. Richard Hornberger wrote a novel under the pseudonym Richard Hooker, using his experiences in a Mobile Army Surgical Hospital in the Korean War. Several years later, his novel served as ...

Usually, the testicles hang inside the scrotum, the loose bag of skin behind the penis. However, retractile testicles move up out of the scrotum and into the groin. Retractile testicles are most ...