In 1974, after a series of heated and embarrassingly public quarrels on the topic, the APA decided to resolve the question of whether or not homosexuality should be called a mental disorder by means of a ballot mailed out to its members.
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Members of the APA were mailed a ballot to decide if homosexuality should be defined as a mental disorder.
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The APA didn't make any action to resolve the issue of homosexuality being a mental disorder until the late 1980's.