Pregnancy symptoms
Learning Center
COVID-19: Who's at higher risk of serious symptoms?
Advanced age and some health conditions can raise the risk of serious COVID-19 (coronavirus disease 2019) illness.
COVID-19 vaccines: Get the facts
Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.
COVID-19, cold, allergies and the flu: What are the differences?
Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.
Joint protection for people with hand arthritis
Joint protection — photos showing joint protection techniques to avoid hand arthritis pain.
Balance exercises
Balance exercises can improve your balance and help prevent falls. See how they're done.
How your brain works
Which part of your brain does what? Take a tour.
Placenta: How it works, what's normal
Understand how this pregnancy organ works and what conditions can affect it.
Iron deficiency in children: Prevention tips for parents
Learn how much of this key mineral your child needs and what the health risks of not getting enough are.
Amputation and diabetes: How to protect your feet
Find out who's at risk and what you can do to protect your feet from diabetes complications.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
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