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Harmful effects of indoor tanning.
American Family Physician
|September 1, 1985
Summary
New indoor tanning devices primarily use ultraviolet A (UVA) radiation. While less likely to cause sunburn than ultraviolet B (UVB), UVA exposure may increase photosensitivity, skin aging, and skin cancer risk.
Area of Science:
- Dermatology
- Photobiology
- Public Health
Background:
- Indoor tanning devices are increasingly popular.
- Newer units predominantly emit ultraviolet A (UVA) radiation.
- UVA radiation differs from ultraviolet B (UVB) in its biological effects.
Purpose of the Study:
- To evaluate the risks associated with UVA radiation from indoor tanning.
- To compare the effects of UVA versus UVB radiation.
- To inform public health messaging regarding indoor tanning safety.
Main Methods:
- Review of existing scientific literature on UVA and UVB radiation effects.
- Analysis of the spectral output of new indoor tanning units.
- Comparison of reported adverse effects from different tanning modalities.
Main Results:
- UVA radiation has a lower potential for causing acute sunburn compared to UVB.
- UVA radiation has a higher potential for inducing photosensitivity reactions.
- Long-term UVA exposure is associated with dermal degenerative changes and an increased risk of skin cancer.
Conclusions:
- Indoor tanning devices emitting predominantly UVA pose distinct risks.
- Increased photosensitivity and long-term skin damage are significant concerns.
- Public awareness regarding the specific hazards of UVA tanning is crucial for risk mitigation.