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Many parents wonder how long pink eye (conjunctivitis) is contagious. Find out.

Learn more about the symptoms, treatment and prevention of this common intestinal worm infection.

Learn more about the symptoms, causes and treatment of growths that develop in the pituitary…

Learn more about the symptoms, causes and treatment of this large rash common among teens…

During pregnancy, if part of the placenta grows too far into the uterine wall, it…

Understand how this pregnancy organ works and what conditions can affect it.

Learn about how this pregnancy complication is diagnosed and managed to reduce risks to your…

This uncommon pregnancy complication, in which the placenta separates from the wall of the uterus,…

Learn about the symptoms, risk factors and treatment of this rare, potentially fatal disease that's…

Extra preparation before a trip can keep your plans — and heart — running smoothly…

Learn about this most common cause of stabbing heel pain.

Learn about the causes, treatment and prevention of these hard, sometimes painful growths that appear…

In this condition, the tissues that line the lungs and chest cavity (pleura) become inflamed,…

Explore how plexiform neurofibromas are diagnosed and treated using advanced imaging, genetic testing, and a…

Plugged ears are usually a mild, temporary problem. Learn about potential causes and treatments.

Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.

A general term for lung swelling and irritation, it's often caused by breathing in irritants.…

A collapsed lung occurs when air leaks into the space between your lung and chest…

Learn about diagnosis and treatments for this rare blood disorder that affects many parts of…

Take a look at these bumps, bites and rashes. Find out what causes them and…

Learn about the symptoms, causes and home remedies for this itchy skin rash and how…

How to recognize and get first-aid help for poisoning.

Learn more about this contagious viral illness that affects the nervous system. Severe disease can…

Learn how treatments and lifestyle changes might help reduce kidney damage from this disease.

Polycystic ovaries, hormone imbalance and irregular periods are telltale signs and symptoms of polycystic ovary…

This slow-growing blood cancer mainly affects people over 60. Treatments and lifestyle changes may reduce…

Learn about the symptoms, causes and treatment for this condition, in which too much amniotic…

Learn more about the symptoms and treatments for this sun-induced skin rash that usually appears…

Older adults who get sudden muscle pain and stiffness, mainly in the shoulders, might have…

The muscle weakness from this condition can make it hard to climb stairs or reach…