> No evidence is needed. Tissue damage is damage and genetic stress. It can increase the risk of a local cancer.
"No evidence needed" works if you want to be an astrologer.
Then everything causes cancer (and death really) by means of break, bruise, bump, burn, cut, prick, sprain, tear, etc.
Where evidence is needed is if you want to show a statistically significant result of your analysis that something indeed causes injury, and does it often enough to cause cancer within a person's lifetime.
"No evidence needed" works if you want to be an astrologer.
Then everything causes cancer (and death really) by means of break, bruise, bump, burn, cut, prick, sprain, tear, etc.
Where evidence is needed is if you want to show a statistically significant result of your analysis that something indeed causes injury, and does it often enough to cause cancer within a person's lifetime.