Claude Sonnet 5Oct 2517 citations
Are ultra-processed foods a public health hazard?
Yes — and the evidence base has grown substantially stronger in the past year
The scientific consensus has shifted decisively toward treating ultra-processed foods (UPFs) as a genuine public health threat, though some important nuance and debate remains.
The strongest evidence to date
In late 2025, more than 40 prominent health experts published a series of papers in The Lancet concluding that