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New Spanish research has shown that eating one's evening meal earlier, or leaving an interval of at least two hours before going to bed, is linked to a lower risk of breast cancer and the prostate.
Conducted by the Institute of Global Health in Barcelona, the new study included 621 prostate cancer patients and 1205 breast cancer patients, as well as 872 men and 1321 control participants to see if the schedule meals were associated with the risk of both cancers.
Researchers asked participants about meal schedules, sleep and chronotype – whether an individual shows a natural preference for morning or evening activity.
Participants were also asked to complete a questionnaire about their eating habits.
The results showed that participants who waited two hours or more after dinner before sleeping had a risk of breast or prostate cancer approximately 20% lower than those who slept immediately after . Dinner before 9 pm also had a similar protective effect compared to eating the evening meal after 10 pm.
The positive effect of leaving a longer interval between dinner and sleep was also more pronounced among participants who adhered to cancer prevention recommendations and those who were morning-type.
The study is the first to analyze the link between cancer risk and the timing of meals and sleep, with previous research focusing instead on dietary habits, for example, the effects of eating meat red, fruits and vegetables and associations between food intake and obesity. "Our study concludes that adherence to diurnal dietary habits is associated with a lower risk of cancer," said lead author Manolis Kogevinas, adding that the results "underscore the importance of the disease." evaluation of circadian rhythms in studies of food and cancer ".
Dora Romaguera, the latest author of the study, also noted that "further research in humans is needed to understand the reasons for these findings, but all seems to indicate that the moment sleep affects our ability to metabolize food Animal evidence has shown that the timing of food intake has profound implications for metabolism and food health
If the results are confirmed, Kogevinas said, " They will have implications for cancer prevention recommendations – timing in. The impact could be particularly important in crops such as those in southern Europe, where people are supping late. "
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