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Theories suggest some mechanisms may include chronic inflammation, insulin resistance, decreased melatonin, or increased cortisol production.
Disruptions to the body’s circadian rhythm may also be involved, according to Hopkins Medicine, which states that insomnia is linked to four types of cancer.
The health body explains: “Exposure to light while working overnight shifts for several years may reduce levels of melatonin.”
Kathryn Ruble, of the Johns Hopkins Cancer Centre, added: “It’s important to keep up with recommended cancer screenings including mammograms, screening tests for colorectal cancer, and prostate checks recommended by your doctor.”
Source: Daily Express