Elastic resistance
Learning Center
Safe outdoor activities during the COVID-19 pandemic
Looking for fun summertime activities you can enjoy safely during the COVID-19 pandemic? Here are several options to try.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
Ileoanal anastomosis (J-pouch) surgery
This surgery removes the large intestine. It's often done to treat ulcerative colitis and other bowel conditions.
Rectal prolapse
This rare condition happens when the rectum slips outside of the anus. Find out about symptoms and treatment.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)
Learn about the symptoms, diagnosis and treatments for this autoimmune disease that attacks nerve fibers in the body.
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