There are certain factors that place an individual at the risk of developing cancer. Some risk factors can be controlled and other factors like age, sex, hormonal changes, family history, and genetics cannot be controlled. The common risk factors are:
- Smoking and use of tobacco
- Viral infections like HPV, Hepatitis B and Hepatitis C
- Exposure to chemical and toxic compound
- Exposure to ionising radiation
- Exposure to ultraviolet rays
- Processed red meat
- Excess alcohol consumption
- Obesity