Asthma is a lung disease that makes it harder to move air in and out of lungs. Inflammation and narrowing of the small airways in the lungs cause asthma.

Hirschsprung's disease, also known as congenital megacolon, is a rare condition characterized by the absence of nerve cells in the muscles of the colon (large intestine).

A sprain and a spasm are two different medical conditions related to muscles and connective tissues, but they affect the body in distinct ways.

Carpal tunnel syndrome is a condition that affects the hand and arm. It occurs when the median nerve, which runs from the forearm into the palm of the hand.

Immunologic infertility, also known as immunological infertility, refers to a condition where the body's immune system mistakenly targets reproductive cells or tissues, hindering fertility.

GERD stands for Gastroesophageal Reflux Disease. It's a chronic condition where stomach acid flows back into the esophagus, causing irritation and inflammation.