Standard setting in the SPS field is heavily science led and for the most part there is a strong scientific consensus around what is and is not good for human, animal, and plant health.
Roedd consensws eang ymhlith ymatebwyr yr arolwg a'r cyfweleion mai yfwyr niweidiol neu ddibynnol oedd fwyaf tebygol o gael eu heffeithio gan MPA o ran problemau iechyd a chymdeithasol.