Complex sentence: Other factors such as the centuries old stereotype of a suffering or mad artist helps to fuel the link by putting expecations on how an artist should act, it also helps the field be more attractive to those with mental disorders.
Split into simpler sentences: Other factors such as the centuries old stereotype of the suffering of a mad artist help to fuel the link by putting expectations on how an artist should act. It also helps the field to be more attractive to those with mental disorders.