International journal of cancer

How eating at the wrong times may be linked to breast and prostate cancer risk

Updated

Abstract

Sleeping two more hours after supper is associated with a 20% reduction in breast and prostate cancer risk.

  • Subjects who had supper before 9 pm showed a similar reduction in cancer risk compared to those who ate after 10 pm.
  • A longer interval between the last meal and sleep may provide greater protection against cancer, particularly for those following cancer prevention guidelines.
  • Morning types experienced a more significant reduction in cancer risk with longer supper-sleep intervals.
  • Adherence to diurnal eating patterns is linked to lower risks of breast and prostate cancer.

Simplified

Key numbers

20%
Reduction in Cancer Risk
Risk reduction for breast and prostate cancer combined with >2 hr supper-sleep interval.
0.82
for Early Supper
comparing supper before 9 pm vs. after 10 pm.
0.65
for High Adherence
for both cancers combined among high adherence to WCRF/AICR guidelines.

Full Text

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