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It's also the height of social Darwinism and the pseudoscience of race.

But he was scrutinised for recommending homeopathy, alternative medicine and other treatments that critics have called "pseudoscience".

In fact, many activists compare ABA to abusive pseudoscience like gay conversion therapy.

Yet he also supported eugenics, or the pseudoscience of controlling human reproduction to ensure that genetic traits deemed desirable are passed on.

But the line between promotion and science on the show was not always clear, and Oz has recommended homeopathy, alternative medicine and other treatments that critics have called “pseudoscience”.