SLEEP….Zzzzzzzzz….AND RISK OF CANCER:
Sleep is something which is inevitable and essential for a calm and healthy mind. There is some evidence of a link between insufficient sleep and the risk of cancer. In particular, people with circadian rhythm disorders—in which the body’s biological clock is disrupted because of shift work, for example—may be at increased risk. A study in the International Journal of Cancer found a relationship between women’s irregular work schedules and the rate of breast cancer. Researchers suspect that a disruption in the circadian rhythm could pose a risk for developing cancer, since the body’s internal clock affects so many biological functions. One theory is that the suppression of melatonin at night (which comes from exposure to bright light) could be partly responsible. Indeed, scientists have seen this link in animal studies; for example, when they manipulate the sleep/wake cycles of rodents for an extended time, cancers grow faster.

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