Multiple sclerosis (MS) is a chronic autoimmune condition that disrupts communication between the brain and body. It targets the central nervous system — specifically, the protective myelin coating ...

Asthma is a common lung problem that causes breathing difficulties for people of all ages, though most people develop the condition in childhood. The severity of an asthma attack varies from person to ...

Black stool isn’t always a cause for alarm—sometimes it’s just the result of something you ate or a side effect of medication. But in some cases, it can signal bleeding in the upper gastrointestinal ...

Asthma is the most common chronic respiratory disease worldwide, causing symptoms like wheezing, chest tightness, and shortness of breath. While there’s no cure, most people manage symptoms with ...

Dry mouth, or xerostomia, is the uncomfortable feeling of dryness in the mouth that often stems from reduced saliva production. While it might seem like a minor issue, saliva plays a key role in ...

Kidney stones—hard, crystalline deposits that form in the kidneys—affect nearly 15% of the population and often come with intense pain and a high chance of recurrence. These stones typically develop ...

Urinary tract infections (UTIs) are one of the most common bacterial infections, particularly among women. Caused by bacteria entering the urinary system—often from the large intestine—UTIs can lead ...

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 ...

Antibodies, also known as immunoglobulins, are large proteins that can identify and eliminate foreign invaders and proteins the body doesn't recognize. Along with B and T cells, antibodies are the ...

Muscle atrophy occurs when muscle mass decreases, causing limbs and other body parts to appear smaller than normal. Atrophy can result in symptoms such as weakness, balance problems, poor coordination ...

Apoplexy is an ancient medical word that originated in Greece — by definition, a term for internal organ bleeding. Beginning in the late 14th century, physicians often used the word to describe a loss ...

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 ...