Protein
Protein sources, intake, and muscle and metabolic health.
EggsThe cholesterol panic reversed; the argument did not end.Mixed findings225 papersNutsEnergy-dense, and repeatedly associated with living longer anyway.Well supported122 papersProcessed meatThe clearest dietary cancer signal there is — and still a small one.Well supported176 papersRed meatA large literature, almost none of it randomised.Mixed findings227 papers