DISRUPTION DURATION. “Similarly, reports suggest that the risk of prostate cancer is increased in night-shift workers, and this risk is augmented with a longer duration of shift work, particularly for high-grade cancers.”
https://www.nature.com/articles/s41591-018-0271-8?fbclid=IwAR01C2Z4J5lxVYDLhxIb9dPb3fhNSZSxwimZvhHaJ4n3-nVPpkt2PNqoukk