Teen health
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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.
Transurethral resection of the prostate (TURP)
Learn about this procedure used to treat urinary problems caused by an enlarged prostate gland.
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.
Tweak your walking routine for muscle and bone health
With a few changes to your regular walking routine, you can keep muscle and bone loss at bay as you age.
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.
Video: Colonoscopy
See what a doctor sees when you undergo an examination of your colon.
Video: Endoscopy
An endoscopy allows your doctor to view your esophagus, stomach and part of the small intestine. Here's how it works.
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