How can i possibly protect myself from one of the 100 different types of cancer beside not smoking, watching diet and reporting suspicious pain to md?

Exercise: For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex.

Adopt healthy lifest: Healthful living includes(as you mentioned), no smoking, minimal or no alcohol use, Plant-based diet , avoid red meats, maintain healthy weight and doing daily exercise for 30-45 minutes . Annual check ups along with Cancer screening tests after the age of 40