On its website, the World Health Organization states that at least one-third of all cancer cases are preventable and that prevention offers the most cost-effective long-term strategy for the control of cancer.
The WHO identifies the following avoidable risk factors:
- Tobacco
- Physical inactivity, dietary factors, obesity and being overweight
- Alcohol use
- Infections
- Environmental pollution
- Occupational carcinogens
- Radiation
This section covers these risk factors in detail.
Alcohol use
Environmental pollution
Infections
Occupational carcinogens
Physical inactivity, dietary factors, obesity and being overweight
Prophylactic surgery and cancer prevention
Radiation
Tobacco
Vitamin D