Shingles is a painful viral infection that causes a distinctive rash and nerve pain. It occurs when the varicella-zoster virus, which causes chickenpox, becomes active again after lying dormant in the body for years. Shingles usually affects one side of the body or face and is more common in older adults and people with weakened immune systems. Early treatment can …

A herniated disk is a condition in which the soft, gel-like center of a spinal disk pushes through a tear in the tougher outer layer. Spinal disks act as cushions between the bones of the spine and help absorb shock during movement. A herniated disk is sometimes called a slipped disk or ruptured disk. This condition most often affects the …

An umbilical hernia occurs when part of the intestine or fatty tissue pushes through a weak spot in the abdominal muscles near the belly button (umbilicus). It is common in infants and usually harmless, often closing on its own within the first few years of life. Umbilical hernias can also occur in adults, where they are more likely to cause …

An inguinal hernia occurs when tissue, such as part of the intestine, pushes through a weak area in the abdominal muscles near the groin. It is one of the most common types of hernia and can affect both men and women, though it is more frequent in men. Inguinal hernias may be present at birth or develop over time and …

A hiatal hernia occurs when the top of your stomach pushes up through an opening in your diaphragm into your chest. Your diaphragm is the muscle barrier that separates your abdominal cavity from your chest cavity. A hernia is when any organ or tissue pushes through a weakness in the tissue barrier that normally contains it. Hernias are common, and hiatal hernias are among the most common …

Lynch syndrome is an inherited genetic condition that increases the risk of several types of cancer, particularly colorectal cancer and endometrial (uterine) cancer. It is caused by mutations in genes responsible for repairing damaged DNA, known as mismatch repair genes. Because these genes do not function properly, cells can accumulate genetic errors that lead to cancer. Lynch syndrome is also …

Hereditary Hemorrhagic Telangiectasia is a rare genetic disorder that affects blood vessels. It causes abnormal connections between arteries and veins, known as arteriovenous malformations, and small widened blood vessels called telangiectasias. These abnormal vessels are fragile and prone to bleeding. The condition is inherited and usually passed from parent to child. It can affect multiple organs, including the nose, skin, …

Hepatopulmonary syndrome is a condition that affects the lungs in people who have chronic liver disease. It occurs when blood vessels in the lungs become abnormally widened, leading to improper oxygen exchange. As a result, oxygen levels in the blood drop, causing breathing problems. This condition is most commonly seen in people with liver cirrhosis or portal hypertension, but it …

Wilson’s disease is a rare inherited disorder in which excess copper accumulates in the body, particularly in the liver, brain, and eyes. Normally, the body removes extra copper through bile, but in Wilson’s disease, this process is impaired, leading to toxic copper buildup. The condition usually appears in children, adolescents, or young adults. If left untreated, Wilson’s disease can cause …

Toxic hepatitis is inflammation of the liver caused by exposure to harmful substances. These substances may include certain medications, chemicals, alcohol, herbal supplements, or industrial toxins. When the liver processes these substances, they can damage liver cells and lead to inflammation. The liver plays an essential role in detoxifying harmful substances from the body. However, excessive exposure to toxins can …