Skin care
Learning Center
Sunless tanning: What you need to know
Sunless tanning products can provide a safe, natural-looking tan — if they're applied carefully and correctly.
Sunscreen shopping tips
When you're shopping for sunscreen brand matters less than how you use the product. Look for water-resistant, broad-spectrum coverage with an SPF of at least 30. Check the sunscreen's expiration date. Also, find a sunscreen you like. If you don't care for the sunscreen, you're not as likely to use it consistently.
Sunscreen: One dose doesn't do it
You can't put on sunscreen in the morning and expect to be protected for a full day in the sun. To maximize sun protection, apply generous amounts of sunscreen to dry skin 15 minutes before you go outdoors. Reapply sunscreen every two hours — or more often if you're swimming or sweating.
Tanning beds: Safer than the sun?
Tanning beds don't offer a safe alternative to natural sunlight.
Tattoos: Understand risks and precautions
Allergic reactions, infections and skin problems can all happen after getting a tattoo. Take steps to stay safe.
Terrible twos: Why are 2-year-olds so difficult?
Find out how to help your toddler meet the challenges of being 2.
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.
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.
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