Healthy diets
Learning Center
Nail ridges: Cause for concern?
Vertical nail ridges are common and often become more prominent with age.
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.
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
Autism spectrum disorder and digestive symptoms
Children with autism spectrum disorder often have other health issues, including problems related to digestion.
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.
Flu shots for kids: Does my child need a flu shot?
Know the latest recommendations for children's flu vaccines.
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.
Ovulation signs: When is conception most likely?
Trying to get pregnant? Learn about symptoms of ovulation
Diverticulitis: Can certain foods trigger an attack?
Contrary to popular belief, no specific foods are known to trigger bouts of this condition.
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.
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