Aging, tobacco, sun exposure, radiation exposure, chemicals and other substances, some viruses and bacteria, certain hormones, family history of cancer, alcohol, poor diet, lack of physical activity, or being overweight
Some general causes could be : - Someone in the family who has/had cancer - Smoking tobacco - Old age - Exposure to radiation ( ultraviolet as well) - Drinking alcohol - HPV ( Human Papillomavirus) And I guess there are more risk factors
