Potassium is a vital mineral and electrolyte that helps regulate fluid levels, support muscle function, and keep your heart rhythm steady. It also plays a key role in transmitting electrical impulses ...

Kidney failure, or end-stage renal disease (ESRD), occurs when the kidneys can no longer filter waste effectively. At this stage, kidney function drops below 10% of normal, leading to dangerous toxin ...

Skin tags are small flaps or folds of skin on your body. Although they are not harmful to your health, they can be embarrassing, especially if they are in a spot you cannot cover with clothing. Skin ...

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 ...

Lower back pain is extremely common, affecting millions of people every day. But what does it mean when the pain is felt only on one side? One-sided lower back pain could represent a minor issue that ...

The lungs are responsible for the essential process of respiration. These cone-shaped organs expand and contract to deliver oxygen to the body. They also remove carbon dioxide, a waste gas, from the ...

Erythema is redness of the mucous membranes or the skin, usually resulting from a skin injury, inflammation, or an infection. Some types of erythema, such as nervous blushes, don’t result from a ...

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 ...

Nitric oxide isn’t a nutrient you’ll find on food packaging — but it plays a critical role in how your body moves, recovers, and circulates blood. This molecule helps blood vessels relax and widen, ...

Disclaimer: The following article discusses topics that may be disturbing to some readers. This article is intended for informational purposes only, and should not replace medical attention. If you or ...

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 ...

Bulbar palsy is a motor neuron disease that targets the lower motor neurons in the brain stem. The nerves affected include the glossopharyngeal, vagus, accessory, and hypoglossal. This progressive ...