Learn the latest ways to treat and prevent the stuffy nose and head pain that can come with this condition.
Disease
Sezary syndrome
Find out more about the symptoms, diagnosis and treatment of this rare type of cancer.
Disease
Multisystem inflammatory syndrome in children (MIS-C) and COVID-19
Learn about symptoms of MIS-C, a serious condition linked to coronavirus disease 2019 (COVID-19). Get help fast if your child shows any signs.
Disease
Allergies
Allergy symptoms can range from mild to severe, even life-threatening. Find out what treatments and prevention tips can help.
Disease
Klinefelter syndrome
In this condition, a genetic male has an extra X sex chromosome. This may affect the growth of testicles and result in low testosterone.
Disease
Thalassemia
Some forms of this inherited blood disorder usually show up before the age of 2. Often, they cause anemia. Worse forms of the disease require regular blood transfusions.
Disease
Norovirus infection
This highly contagious virus spreads through contaminated food, water or surfaces and causes vomiting and diarrhea. Learn ways to protect yourself.
Disease
Porphyria
This group of disorders results from a buildup of natural chemicals in the body that affect the nervous system and skin. Learn how to avoid symptom triggers.
Disease
Peutz-Jeghers syndrome
This inherited condition causes polyps to grow in the digestive tract and increases the risk of cancer. Regular screening helps reduce some risks.
Disease
Adrenoleukodystrophy
Find out about diagnosis and treatment of adrenoleukodystrophy — a hereditary disorder that affects the brain, nervous system and adrenal gland.
Disease
Microcephaly
Learn more about microcephaly, when an infant's head is smaller than expected. The condition affects child development.
Disease
Mumps
Find out more about the symptoms and treatment of this viral illness and how vaccines can prevent it.