Skin Cancer, Solar Radiation, and Ozone Depletion
Author Information
Author(s): J. Moan, A. Dahlback
Primary Institution: Institute for Cancer Research, Montebello, Oslo; Norwegian Institute for Air Research, Lillestrom, Norway
Hypothesis
Is ozone depletion a cause of the increasing trend of skin cancer incidence rates?
Conclusion
Ozone depletion is not responsible for the rising incidence rates of skin cancers in Norway.
Supporting Evidence
- A 10% ozone depletion could lead to a 16-18% increase in SCC and a 19-32% increase in CMM incidence rates.
- The incidence rates of skin cancers increase with decreasing latitude in Norway.
- Sun exposure is the main cause of non-melanoma skin cancers.
Takeaway
The study found that even though skin cancer rates are increasing, it's not because of less ozone; it's more about how much time people spend in the sun.
Methodology
The study analyzed annual UV exposures and skin cancer incidence rates from 1957 to 1988 in Norway.
Potential Biases
Possible regional differences in reporting rates for skin cancers.
Limitations
There may be underreporting of basal cell carcinoma cases.
Participant Demographics
The population studied was predominantly Caucasian.
Statistical Information
P-Value
p<0.008
Statistical Significance
p<0.05
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