Teen health
Learning Center
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about links between this key vitamin and the widespread viral infection.
Rumination syndrome
Learn about this condition that results in regurgitating and reswallowing food. Behavioral therapy and medicine are treatments.
Jaw surgery
Jaw surgery corrects irregularities of the jaw bones and realigns the jaws and teeth to improve the way they work and it often improves appearance.
Intraoperative magnetic resonance imaging (iMRI)
Find out how neurosurgeons use intraoperative magnetic resonance imaging (iMRI) during brain surgery.
Rectal prolapse
This rare condition happens when the rectum slips outside of the anus. Find out about symptoms and treatment.
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