A study published in the International Journal of Cancer found that women who worked the overnight shift had 30 percent higher incidence of breast cancer.
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Unidentified Speaker — Sleep Smarter by Shawn Stevenson (animated book summary) - … [HPFywqpAdTg]Evidence Quote
“A study published in the international journal of cancer found that women who worked the overnight shift, had 30 percent higher incidence of breast cancer.”
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Sleep Smarter by Shawn Stevenson (animated book summary) - How To Get Better Sleep— Better Than YesterdayCreated: 8/13/2026, 9:47:25 AM
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