Preschoolers
Learning Center
Cold or allergy: Which is it?
Although colds and seasonal allergies share some of the same symptoms, they are very different diseases. Learn how to tell the difference.
Colon cancer screening: At what age can you stop?
Some groups recommend people over 75 may consider stopping colon cancer screening. Not everyone agrees. Learn about your colon cancer screening options.
Concussion in children: What are the symptoms?
Whether your child's concussion is mild or severe, allow time to recover.
Cryptogenic organizing pneumonia
Cryptogenic organizing pneumonia affects your lungs' small airways and air-exchange sacs.
Degenerative changes in the spine: Is this arthritis?
Degenerative changes in the spine visible on X-rays indicate osteoarthritis of the spine.
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.
Denture care: How do I clean dentures?
Follow these best practices to keep your removable partial or full dentures clean, free from stains and comfortable.
Did the definition of Alzheimer's disease change?
What the change in the research definition of Alzheimer's disease means for you.
Digestion: How long does it take?
Digestion takes about two to five days, depending on your system.
Discolored semen: What does it mean?
Find out what causes discolored semen.
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