Which source would provide the MOST bias-free information about smoking and increased health risks? A) A website created by heart disease patients B) A research study conducted by the Mayo Clinic Eliminate C) A public service message sponsored by tobacco companies D) An online question forum conducted by attorneys for cardiac specialists
A research study conducted by the Mayo Clinic would present the most bias-free information. Information in a formal study would be based on results from individuals who were part of the study.
