Complex sentence: The word "alternative" in alternative medicine does not imply that it is effective as an alternative to medical science; some alternative medicine promoters may use loose language to give the appearance of effectiveness, or to suggest that a dichotomy exists when it does not.
Split into simpler sentences: The word "alternative" in alternative medicine does not imply that it is effective as an alternative to medical science. Alternative medicine promoters may use loose language to give the appearance of effectiveness, or to suggest that a dichotomy exists when it does not.