And no we will not accept any diminution in food hygiene or animal welfare standards. But I must say to the America bashers in this country – if there are any – that in doing free-trade deals we will be governed by science and not by mumbo-jumbo because the potential is enormous.

Boris Johnson

On fears that genetically modified American food products could be damaging to public health in post-Brexit UK-USA trade deal. Feb 3, 2020.