Consumer health basics
Learning Center
Vaginal agenesis
In this rare condition that occurs before birth, the vagina doesn't develop and the uterus may only develop partially or not at all. Learn about treatment.
Dry mouth
With this condition, also known as xerostomia, the salivary glands in the mouth don't make enough saliva to keep the mouth wet.
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)
This complicated disorder may be triggered by an infection. While there's no cure for chronic fatigue syndrome, treatment focuses on easing symptoms.
Cavities and tooth decay
These areas in the hard surface of your teeth are tiny openings or holes due to damage from tooth decay. This can lead to pain, infection and tooth loss.
Depersonalization-derealization disorder
This mental health condition causes you to feel like you're seeing yourself from outside your body or that things around you are not real, or both.
Cavernous malformations
Understand the symptoms that may occur when blood vessels in the brain or spinal cord are tightly packed and contain slow-moving blood.
Atopic dermatitis (eczema)
Learn about the causes, symptoms and treatments of this itchy rash that most often begins before age 5, is persistent, and has periods of clearing and relapse.
Nail fungus
Learn about symptoms, treatment and prevention of this common infection among older adults that causes nails to discolor and crumble.
Intracranial venous malformations
Find out more about the diagnosis and treatment of these unusually enlarged veins in the brain.
Polycystic ovary syndrome (PCOS)
Polycystic ovaries, hormone imbalance and irregular periods are telltale signs and symptoms of polycystic ovary syndrome. Find out about treatments.
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