1. Increased Cancer Risk
Circadian rhythm disruption has been strongly associated with higher incidences of certain cancers, including breast, prostate, and colorectal cancers.
In 2007, the World Health Organization classified shift work involving circadian disruption as a “probable carcinogen.”
This link is thought to result from impaired DNA repair and hormonal imbalances when the body’s natural cycles are thrown off.
Studies consistently show that those experiencing chronic circadian misalignment—such as night shift workers—face a notably elevated cancer risk compared to the general population.