It is the researcher's responsibility to provide accurate, complete, and unbiased verbal and written information yet, as this essay discusses, challenges to meaningful research consent abound in the communication between researcher and subject. This discussion of these challenges is far from exhaustive, but it will flag some of the potholes that researchers must anticipate on the sometimes rocky road to eliciting meaningful consent. These include, but are not limited to, inadequate scientific literacy, poorly written consent forms, and even the deployment (...) of scientific terms and seductive acronyms like CURE and MIRACL. Studies with acronyms, for example, enroll five times as many patients as those without, are more likely to be published by prestigious journals, and have higher Jadad methodologic quality scores although they are no more likely to conclude with positive findings. Other barriers to researcher-subject communication include: widely differing beliefs and customs, semiotics, socioeconomic status, iatrophobia, and dramatically different histories of treatment in the medical-research arena. (shrink)