Sleeping in the dark

Top 9 in Top 15 simple ways to prevent cancer effectively.

Studies show that exposure to light at night may increase the risk of ovarian and breast cancer in women. Light suppresses the production of melatonin, chemicals in the brain that regulate the wake cycles of our sleep, which can increase the release of cancer by estrogen. One study found the risk of breast cancer increased in women who did not sleep in time that their highest melatonin levels.