Search Results

Patent Ductus Arteriosus (PDA) What is PDA? Patent ductus arteriosus (PDA) is a heart defect found in the days or weeks after birth. The ductus arteriosus is a normal blood vessel that's part of fetal blood circulation before a baby is born. It’s an extra blood vessel that

Long QT Syndrome What is long QT syndrome? Long QT syndrome (LQTS) is a disease that can cause a dangerous rapid heart rate and irregular rhythm involving the bottom pumping chambers of the heart (ventricles). The heart has both muscular and electrical components. Electricity

Preventing Eye Strain at the Computer If you spend hours each day working at a computer screen or other devices with screens, you may suffer from symptoms of eye strain. Eye strain is a common problem, but you can take steps to reduce your discomfort. What is eye strain? Eye

Hereditary Hemochromatosis What is hereditary hemochromatosis? Hereditary hemochromatosis is a genetic blood disorder that causes your body to absorb too much iron from the food you eat. Iron is a mineral found in many foods. But too much iron is toxic to your body. The excess

Neurocutaneous Syndromes in Children What are neurocutaneous syndromes in children? Neurocutaneous syndromes are disorders that affect the brain, spinal cord, organs, skin, and bones. The diseases are lifelong conditions that can cause tumors to grow in these areas. They can also

Anencephaly in Children What is anencephaly in children? Anencephaly is a condition that is present at birth (birth defect). It affects the brain and skull bones. With this condition, the brain isn't fully formed. It often lacks part or all of the cerebrum. The cerebrum is the

Male Infertility What is male infertility? Gender words are used here to talk about anatomy and health risk. Please use this information in a way that works best for you and your doctor as you talk about your care. Infertility is a disease of the reproductive system. It makes a

Adenovirus Infection in Children What is an adenovirus infection in children? Adenoviruses are a group of viruses that cause a variety of infections, such as: Respiratory illness, such as a cold. Infection of the eye (conjunctivitis, also called pink eye). Croup. Bronchiolitis

Insomnia What is insomnia? You've likely had nights when you couldn't fall asleep, no matter how desperately you tried. When you can't sleep, the ticking of the clock only reminds you of your exhaustion and the endless hours until morning. And perhaps you finally drop off around

Occupational Lung Diseases What are work-related lung diseases? Work-related lung diseases are lung problems that are caused by certain work environments. They are caused by breathing materials into the lungs. These lung diseases may have lasting effects, even after the exposure