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Small cell, large cell cancer: What this means
Cancer cells are classified by how they look under a microscope. Learn common terms used to describe cancer cells.
Sea salt vs. table salt: What's the difference?
Should you take health claims about sea salt with a grain of salt? What makes it different from table salt?
Cuts of beef: A guide to the leanest selections
Whether you're watching your health or your weight, you can still enjoy this type of red meat once in a while. This guide points you to lean choices.
Organic foods: Are they safer? More nutritious?
Understand the differences between organic foods and traditionally grown foods when it comes to nutrition, safety and price.
Cancer survival rate: What it means for your prognosis
No one can predict the future, but cancer survival rates can give you an idea of your prognosis. Should you pay attention to them?
Mayo Clinic Minute: What you need to know about polyps in your colon
Got polyps? Find out why detecting, and removing, colon polyps is so important.
Video: Allergy tests
What happens in an allergy test? Watch this video and find out.
Video: Barium enema
See what to expect during an X-ray examination of your colon.
Video: Skin cancer — How skin cancer develops
Watch this video to see what melanoma and nonmelanoma skin cancers look like and how they develop.
Mayo Clinic Minute: Patch testing for contact dermatitis
Patch testing is used to identify the cause of an allergic skin reaction.
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