Symptoms and Causes

Overview Jet lag disorder happens when people travel quickly across multiple time zones. This sleep problem occurs because our bodies have internal clocks, called circadian rhythms,…

Overview Autoimmune encephalitis (AE) is a condition where the brain becomes inflamed due to the body’s immune system attacking its own brain cells. This differs from…

Overview Pneumonitis is inflammation of lung tissue not caused by infection. It occurs when the immune system reacts strongly to an irritating substance. People can develop…

Overview The human body contains three main pairs of salivary glands that produce saliva for our mouth. These include: Each of these glands connects to the…

Overview Ischemic colitis occurs when blood flow to the colon decreases temporarily. This reduction in blood flow means the cells in the large intestine don’t receive…

What is Myelofibrosis? Myelofibrosis is a rare bone marrow cancer. It belongs to a group of diseases called myeloproliferative disorders. It causes scarring in the bone…

Overview Rheumatic fever is an inflammatory condition that develops after inadequate treatment of strep throat or scarlet fever infections. These infections stem from streptococcus bacteria. This…

Overview Swimmer’s itch is a skin rash that develops after swimming or wading in outdoor water bodies. People most commonly get this rash after spending time…

Overview Esophageal spasms occur when the muscular tube connecting the mouth to the stomach contracts painfully. These spasms can cause severe chest pain lasting from minutes…

Overview Congenital heart disease includes structural heart problems present from birth. These conditions affect blood flow through the heart and can range from mild to severe….