11-year follow-up data of more than 470,000 people: vegetarianism reduces the risk of all cancers in both sexes by 20%!

Cancer is the leading cause of death globally, with 28% of deaths attributable to cancer in the UK in 2017

28% of deaths in 2017 were attributable to cancer

It has been speculated that being vegetarian (avoiding meat and fish) may be associated with a lower risk of cancer

It has been speculated that being vegetarian (avoiding meat and fish) may be associated with a lower risk of cancer

Of the participants included in the analysis, 247,571 (52.

Of the participants included in the analysis, 247,571 (52.

Table 1 shows the baseline characteristics of participants in different diet groups

Figure 1 shows the multivariate adjusted model

Figure 1 shows the multivariate adjusted model

No evidence of heterogeneity among BMI subgroups was found in the associations between diet group and risk of all cancers, colorectal cancer, postmenopausal breast cancer, and prostate cancer

No evidence of heterogeneity among BMI subgroups was found in the associations between diet group and risk of all cancers, colorectal cancer, postmenopausal breast cancer, and prostate cancer

For smoking status, some evidence of heterogeneity was observed in the association between diet group and all cancer risk (phet = 0.

Table 2 shows the exploration of potential mediators of the significant association of diet with cancer

In conclusion, low meat eaters, fish eaters or vegetarians were found to be associated with a lower risk of all cancers compared with regular meat eaters in this large UK cohort, possibly due to dietary factors and/or life>

Future studies are needed to assess cancer risk in large cohorts of vegetarians to provide more precise estimates of associations and to explore other possible mechanisms or explanations for the observed differences

Original source:

Watling et al.

BMC Medicine (2022) 20:73
https://doi.
org/10.
1186/s12916-022-02256-w.

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