Complex sentence: According to the organizers, Nader and Orme-Johnson submitted research abstracts for the conference, but the presentation that they made had little to do with the abstracts, but instead was a promotion for the herbal remedies of MAPI and for Transcendental Meditation.
Split into simpler sentences: According to the organizers, Nader and Orme-Johnson submitted research abstracts for the conference, but the presentation that they made had little to do with the abstracts. Instead it was a promotion for the herbal remedies of MAPI and for Transcendental Meditation.