CORRELATION. “The complex network of communication between the circadian clock and tumorigenesis is only beginning to be unraveled (Fig. 3). At the foundation is strong epidemiological evidence that implicates circadian disruption with cancer.”
https://www.nature.com/articles/s41591-018-0271-8?fbclid=IwAR01C2Z4J5lxVYDLhxIb9dPb3fhNSZSxwimZvhHaJ4n3-nVPpkt2PNqoukk