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Sun Exposure
URL of this page: https://medlineplus.gov/sunexposure.html

Sun Exposure

Also called: Sunburn
On this page

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  • Treatments and Therapies

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Summary

Ultraviolet (UV) rays are an invisible form of radiation. They can pass through your skin and damage your skin cells. Sunburns are a sign of skin damage. Suntans aren't healthy, either. They appear after the sun's rays have already killed some cells and damaged others. UV rays can cause skin damage during any season or at any temperature. They can also cause eye problems, wrinkles, skin spots, and skin cancer.

To protect yourself :

  • Stay out of the sun when it is strongest (between 10 a.m. and 2 p.m.)
  • Use sunscreen with an SPF of 15 or higher
  • Wear protective clothing
  • Wear wraparound sunglasses that provide 100% UV ray protection
  • Avoid sunlamps and tanning beds

Check your skin regularly for changes in the size, shape, color, or feel of birthmarks, moles, and spots. Such changes are a sign of skin cancer.

Food and Drug Administration

Start Here

  • Health Effects of UV Radiation (Environmental Protection Agency) Also in Spanish
  • Sun Damage (VisualDX)
  • Sunburn (Mayo Foundation for Medical Education and Research) Also in Spanish

Prevention and Risk Factors

  • Protecting Yourself from Sun Exposure (National Institute for Occupational Safety and Health) - PDF Also in Spanish
  • Sun Safety Facts (Centers for Disease Control and Prevention) Also in Spanish
  • Sunscreen: How to Help Protect Your Skin from the Sun (Food and Drug Administration)
  • Tips to Stay Safe in the Sun: From Sunscreen to Sunglasses Video (Food and Drug Administration) Also in Spanish

Treatments and Therapies

  • How to Treat Sunburn (American Academy of Dermatology)

Related Issues

  • Actinic Cheilitis (VisualDX)
  • Actinic Keratosis (Solar Keratosis) (VisualDX)
  • Cutaneous Horn (VisualDX)
  • Poikiloderma of Civatte (VisualDX)
  • Vitamin D From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements) Also in Spanish

Specifics

  • Sun Allergy (Mayo Foundation for Medical Education and Research) Also in Spanish
  • Sun, UV Light, and Your Eyes (American Academy of Ophthalmology) Also in Spanish

Images

  • Sunburn (VisualDX)

Videos and Tutorials

  • Sun's effect on skin Video (Medical Encyclopedia) Also in Spanish

Clinical Trials

  • ClinicalTrials.gov: Keratosis, Actinic From the National Institutes of Health (National Institutes of Health)
  • ClinicalTrials.gov: Sunscreening Agents From the National Institutes of Health (National Institutes of Health)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

  • Article: Adolescent exposure to benzophenone ultraviolet filters: cross-sectional associations with obesity, cardiometabolic...
  • Article: Advances in enhancing photoprotection of sunscreens using hydrocarbon film formers and...
  • Article: Understanding of Benzophenone UV Absorber-Induced Damage and Apoptosis in Human Hepatoma...
  • Sun Exposure -- see more articles

Find an Expert

  • American Academy of Dermatology
  • Centers for Disease Control and Prevention Also in Spanish
  • Environmental Protection Agency Also in Spanish

Children

  • Should You Put Sunscreen on Infants? Not Usually (Food and Drug Administration) Also in Spanish

Patient Handouts

  • Actinic keratosis (Medical Encyclopedia) Also in Spanish
  • Polymorphic light eruption (Medical Encyclopedia) Also in Spanish
  • Sunburn (Medical Encyclopedia) Also in Spanish

Topic Image

Sun Exposure

MEDICAL ENCYCLOPEDIA

  • Actinic keratosis
  • Polymorphic light eruption
  • Sun's effect on skin
  • Sunburn

Related Health Topics

  • Heat Illness
  • Melanoma
  • Skin Cancer
  • Tanning

National Institutes of Health

The primary NIH organization for research on Sun Exposure is the National Cancer Institute

Other Languages

Find health information in languages other than English on Sun Exposure

NIH MedlinePlus Magazine

  • Sunscreen in the Winter?

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The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.

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