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Walking pneumonia: What does it mean?
Walking pneumonia is a mild bacterial infection that resembles a cold. It usually does not require bed rest or a hospital stay.
Nail ridges: Cause for concern?
Vertical nail ridges are common and often become more prominent with age.
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
COVID-19 and pets: Can dogs and cats get COVID-19?
Find out how COVID-19 can affect dogs and cats, what you can do to protect your pet, and how to care for your pet if it becomes sick.
Digestion: How long does it take?
Digestion takes about two to five days, depending on your system.
Swallowing gum: Is it harmful?
Your body can't digest chewing gum. So what happens when you swallow it?
Scalp psoriasis vs. seborrheic dermatitis: What's the difference?
Learn how to tell apart these common conditions of the scalp, both of which cause inflamed, scaly skin.
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.
Premenstrual dysphoric disorder: Different from PMS?
Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be PMDD.
How to treat a piercing site infection
Learn what you can do at home if your ear new piercing becomes infected.
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