On the other hand, keep in mind it's an observational study, not an experiment. As such, it's highly succeptible so various biases, including P-hacking (choosin

On the other hand, keep in mind it's an observational study, not an experiment. As such, it's highly succeptible so various biases, including P-hacking (choosing a hypothesis based on data). Most importantly, keep in mind the astonishing number of false & dubious nutritional recommendations made in the past (salt is bad, salt is ok, fat is bad, fat is good, sugar is good, sugar is bad, cholesterol is bad, cholesterol is fine, ...).