Please describe ways to induce cancer except for smoplease describe

Many ways: High fat diet, overexposure to sunlight, chewing tobacco products, multiple sex partners, unprocessed soy products, and too much alcohol can all contribute to causing cancer. There's a pattern here. Overindulgence in anything is not a good idea.Actually, the improvement of survival to lung and heart disease, causing an aging population, has increased the cancer rates. Every action has a reaction.