My brother-in-law is an Oncologist who has spent the last 45+ years treating cancer patients and his assessment is that it is hereditary..........
He's treated lung cancer patients who have never smoked, liver cancer patients who have never had a drop of alcohol, and the list goes on.
The bottom line is that everyone is within a "health risk" group but it's your genetics that will determine whether or not you contract cancer.........
[[The bottom line is that everyone is within a “health risk” group but it’s your genetics that will determine whether or not you contract cancer......... ]]
I’ll go a step further and suggest that it is a person’s genetics which determine if they will beat cancer once they get it too-