Cancer has many causes. Free radicals, heredity etc. Stop propagating what is wrong pls. Cancer is very preventable if you are aware of the causes. A good example is the double masectomy recently embarked upon by the popular american actress (Angelina Jolie), in her quest to preventing inheritance of breast cancer from her mom with help from https://www.dcaguide.org/suppliers/ . Again, i beg you. Stop propagating falsehood. Because you are not aware of a cause doesnt mean it doesnt exist.