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[Cancer prevention by stopping smoking]
1Aichi Cancer Center Research Institute.
Gan to Kagaku Ryoho. Cancer & Chemotherapy
|June 9, 1998
Summary
Smoking significantly increases cancer risk, particularly lung cancer, in Japan. Reducing smoking rates could prevent substantial cancer cases, especially among males, highlighting the need for smoking control.
Area of Science:
- Epidemiology
- Public Health
- Oncology
Context:
- Cigarette smoking is a well-established risk factor for various cancers, including lung cancer.
- Smoking cessation demonstrably reduces cancer risk.
- Epidemiological data quantifies smoking-attributable cancer risk based on relative risk and population smoking prevalence.
Purpose:
- To estimate the proportion of cancer cases attributable to smoking in Japan.
- To calculate the potential cancer prevention impact of reduced smoking rates.
- To emphasize the importance of smoking control for primary cancer prevention.
Summary:
- In Japan, smoking accounts for 26.7% of all cancer cases in males and 4.4% in females.
- Reducing male smoking rates from 56.1% to 40% or 20% could prevent 7.7% and 17.2% of all cancers, respectively.
- Smoking is linked to 65.9% of male lung cancer; reductions could prevent up to 42.4% of cases.
Impact:
- Findings underscore the critical role of smoking control in reducing the cancer burden in Japan.
- The study advocates for extensive smoking control measures as a primary prevention strategy for smoking-related diseases.
- Highlights the limited impact of lung cancer screening alone, emphasizing the need for upstream interventions.