Infant health
Learning Center
Thyroid peroxidase antibody test: What is it?
Sometimes this test is done to help figure out the cause of thyroid disease.
Discolored baby teeth: A cause for concern?
Baby teeth can become discolored for many reasons, including not brushing well enough, taking medicines, or having an injury or illness.
How to treat a piercing site infection
Learn what you can do at home if your ear new piercing becomes infected.
Unusual COVID-19 symptoms: What are they?
COVID-19 can cause a wide variety of symptoms, some more common than others. Learn about how COVID-19 can make you feel.
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.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Warm-mist versus cool-mist humidifier: Which is better for a cold?
Warm-mist and cool-mist humidifiers are equally effective in humidifying the air.
COVID-19 infections by race: What's behind the health disparities?
Understand how underlying health conditions, the places where people live and work, and racism can affect who becomes seriously ill with COVID-19.
Prostate cancer: Does PSA level affect prognosis?
Find out what your PSA level may mean for your prostate cancer prognosis.
How do COVID-19 antibody tests differ from diagnostic tests?
Antibody testing shows whether you've had the COVID-19 virus in the past. It's not the same as testing to see whether you have the virus now.
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