Table 1

Risk factors for cancer

(Potentially) Modifiable factors that impact cancer riskNon-modifiable factors that impact cancer risk
Cigarette smoking and tobacco useFamily history and genetics, including random genetic errors
AlcoholHormonal factors
Nutrition, diet (e.g., ultra-processed foods)Gender
Physical InactivityAge
ObesityRace/ethnicity
Infections, e.g., human papilloma virus (HPV), hepatitis B & C 
Radiation, e.g., sunlight, Ionizing radiation 
Pollution and environmental risk factors, e.g., exposure to certain chemicals 

Source: Swiss Re