Skin care
Learning Center
Flu shots for kids: Does my child need a flu shot?
Know the latest recommendations for children's flu vaccines.
Enterovirus D68 and parechovirus: How can I protect my child?
Enterovirus D68 and parechovirus infections can lead to serious illness among children. Know the symptoms and what you can do.
Does sunscreen expire?
Wondering whether sunscreen expires? Get the facts about how long sunscreen lasts.
Discolored semen: What does it mean?
Find out what causes discolored semen.
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.
Digestion: How long does it take?
Digestion takes about two to five days, depending on your system.
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
Demyelinating disease: What can you do about it?
Learn the causes and types of these diseases that affect the protective covering of nerves, which include multiple sclerosis. Also learn how they're treated.
Degenerative changes in the spine: Is this arthritis?
Degenerative changes in the spine visible on X-rays indicate osteoarthritis of the spine.
Concussion in children: What are the symptoms?
Whether your child's concussion is mild or severe, allow time to recover.
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