This mental health condition causes extreme mood swings that include emotional highs, called mania, and lows, known as depression.
Disease
Hoarding disorder
This mental health condition involves ongoing difficulty parting with possessions, leading to severe clutter and a risk to safety.
Disease
Cyclothymia (cyclothymic disorder)
Also called cyclothymic disorder, this mood disorder causes emotional ups and downs that are less extreme than bipolar disorder. Learn about treatment.
Disease
Illness anxiety disorder
Excessive worry that you're seriously ill based on minor symptoms can result in major emotional distress and disrupt your life. Also called hypochondria.
Disease
Glioma
Gliomas are the most common brain tumors in adults. Learn more about diagnosis and treatment, including innovative research to find new therapies.
Disease
Schwannomatosis
This rare conditions causes slow-growing tumors on nerves, including on the nerve in the ear that carries sound information to the brain.
Disease
Meningitis
Spot the signs and understand the treatment options for meningitis, an infection that has several possible causes.
Disease
Migraine
Find out more about these painful headaches that can last hours to days. They also can cause nausea, vomiting, and sensitivity to light and sound.
Disease
Genital herpes
This sexually transmitted infection can't be cured. Learn how it can be managed and how to prevent the spread of infection.
Disease
Long QT syndrome
Learn more about the causes and treatment of this heart rhythm disorder that can cause fast, chaotic heartbeats.
Disease
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.
Disease
Truncus arteriosus
Learn more about this congenital heart defect that makes it difficult for the heart to pump the right amount of blood to the lungs and the body.