If there was a way to prevent cancer, it would be all over the news.
Take care of yourself, stay away from free radicals and fast food although it’s still not a guarantee
I had a 70 year old professor great shape , funny , and beat throat cancer. He always told us to stay away from fast food because they don’t change the grease often enough to decrease free radicals. Not gonna get in the science bit about it, but heating oil over and over again releases free radicals which can damage the RNA/DNA translation process little by little over time.
Foods That Increase Free Radicals