Homework / test English to Italian Medical Nutrition

traducendo il seguente paragrafo la prima e l'ultima frase mi sembrano essere luna il contrario dell'altra. qualche suggerimento su come tradurre queste parti? e soprattutto cultural bias? Il testo è di tipo nutrizionistico.Grazie
"Last, a cultural bias against meatless diets contributed to publications
about and increased awareness of the potential health
risks of vegetarian diets. Until the 1970s, those following vegetarian
diets were assumed to be part of the antiestablishment,
underground culture or a religious sect and the avoidance of meat
to be practiced for reasons other than health (12, 13). Mainstream
society in industrialized nations, those paying for research, was
mainly composed of nonvegetarians. Therefore, most scientists
performing research probably did not perceive or, consequently,
resist this cultural bias."