Dental care
Learning Center
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.
Stool DNA test
Learn about this noninvasive colon cancer screening test that can detect DNA changes in cells collected from a stool sample.
Stress test
This test gives important information about your heart health. Know how to prepare and what to expect.
Testicular exam
Examining your testicles regularly can help you notice changes when they occur and identify testicular problems.
Thyroid peroxidase antibody test: What is it?
A thyroid peroxidase antibody test can help determine the cause of thyroid disease.
Toothpicks: For hors d'oeuvres, not teeth
Have something stuck in your teeth? Use a toothbrush, dental floss, or an interdental cleaner — such as a dental pick, pre-threaded flosser, tiny brushes that reach between teeth, a water flosser, or wooden or silicone wedge plaque remover. Save toothpicks for olives. If you use a toothpick to clean your teeth, you could injure your gums and let in bacteria.
Tumor vs. cyst: What's the difference?
A Mayo Clinic expert explains the differences and similarities between these two types of growths and how doctors determine if they're cancerous.
Urine cytology
A urine cytology test uses a sample of your urine to look for abnormal cells, which could indicate a urinary tract cancer.
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.
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