<prompt> Multifactorial causation of disease theory was proposed byLouis PasteurPettenkoferRobe KochAristotle  <response>: Traits and conditions that are caused by more than one gene occurring together are multifactorial, and diseases that are caused by more than one factor interacting for example, heredity and diet in diabetes are multifactorial. Ref: 25th edition, Parks Textbook of Preventive and Social Medicine, Page no. 40 