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Seasonal affective disorder
A mood disorder characterized by depression that occurs at the same time every year.December 14, 2021 -
Ovarian hyperstimulation syndrome
A condition in which the ovaries swell and get painful from excess hormone.November 9, 2021 -
CSF leak (Cerebrospinal fluid leak)
Cerebrospinal fluid leaks may start in the brain or spine, causing headaches, dizziness and other symptoms.November 21, 2023 -
Keloid scar
Learn about how to prevent, remove or flatten these problematic raised scars that form over scars from acne, tattoos, piercing and other injuries.July 13, 2023 -
Shoulder replacement surgery
This procedure replaces damaged areas of the shoulder joint with implants made of metal and plastic. It can sometimes be done as same-day surgery.March 28, 2026 -
COVID-19 vaccines for kids: What you need to know
Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.December 24, 2025 -
Different types of COVID-19 vaccines: How they work
Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.December 24, 2025 -
Median arcuate ligament syndrome (MALS)
Stomach pain after eating isn't always indigestion. It could be MALS, also called celiac artery compression. Know the warning symptoms.December 13, 2024 -
COVID-19, cold, allergies and the flu: What are the differences?
It's not easy to tell these health conditions apart based on their symptoms alone. Find out about the differences between these illnesses.October 22, 2025 -
Multisystem inflammatory syndrome in children (MIS-C) and COVID-19
Learn about symptoms of this serious condition linked to coronavirus disease 2019 (COVID-19). Get help fast if your child shows any signs.June 2, 2026 -
Acute flaccid myelitis (AFM)
Know the possible symptoms of acute flaccid myelitis (AFM), a rare but serious condition that affects young children.November 9, 2021 -
TEN
Learn more about the causes, symptoms, treatment and risks of this life-threatening, rare skin disorder, also called toxic epidermal necrolysis.August 29, 2020 -
Long COVID: Lasting effects of COVID-19
COVID-19 can have lasting symptoms that affect many parts of the body. Learn more about the symptoms and effects of long COVID.August 23, 2024 -
COVID-19 vs. flu: Similarities and differences
Coronavirus disease 2019 (COVID-19) and seasonal flu have many similarities and differences. Find out what to know and how to protect yourself from these diseases.October 22, 2025 -
Safety tips for attending school during COVID-19
Consider prevention strategies that you and your child's school can follow to help protect your child from the COVID-19 virus.October 22, 2025
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