The association of red meat with cancer or heart disease may be due to unhealthy behaviors of red meat consumers rather than a direct causal link.

“i'm saying the alternative hypothesis is that red meat is associated with cancer or with heart disease because the people who are eating more red meat are doing unhealthy behaviors because there's really no good interventional evidence to support that claim and if you look in asia the relationships are very different which really calls into question the western narrative around epidemiology”