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Unusual COVID-19 symptoms: What are they?
Find out about the unusual symptoms of coronavirus disease 2019 (COVID-19), including COVID toes, nausea, and loss of smell or taste.
Type 1 diabetes
Learn about the symptoms, causes, treatment of this chronic condition in which the pancreas produces little or no insulin.
Traveler's diarrhea
Learn how to avoid contaminated food and water that may lead to this common travel hazard. Plus, find out what to do if it strikes.
Rumination syndrome
Learn about this condition that results in regurgitating and reswallowing food. Behavioral therapy and medicine are treatments.
Primary immunodeficiency
Frequent infections could mean you have an immune system disorder. The conditions in this category are usually caused by genetic changes.
Peripheral neuropathy
Learn what may cause the prickling, tingling or numb sensations of nerve damage and how to prevent and treat this painful disorder.
Neuroblastoma
Learn more about the symptoms, diagnosis and treatment of neuroblastoma, one of the most common cancers of childhood.
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.
Multiple endocrine neoplasia, type 2 (MEN 2)
Learn about this rare disorder that causes tumors and overproduction of hormones.
Migraines and gastrointestinal problems: Is there a link?
Migraines can be associated with certain gastrointestinal problems. Learn more.
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