The subject of fats and oils in our diets is challenging: what we "know" one year (e. g. butter is bad for you) is found to be untrue several years later.
In the past, knowledge was the key to power. Those who "knew" were able to command superiority over those who did not know.
Wikivet – the definitive online encyclopaedia of veterinary knowledge | Vet Help Direct, Wikivet
One of the challenges for all those involved in animal care - vets, veterinary nurses and members of the public - is to find reliable, up-to-date sources of information on the internet.