58 pages., Journal article via online., Historical analysis of print advertising in the early 20th Century revealed that "in an era of scientific discovery and therapeutic ethos, fruits and vegetables were advertised as medical tonics, with 'prescriptions' that included recommended daily doses, to ward off or cure real or imagined medical ailments (flu, listlessness, acidosis)." Findings identified social positives and negatives associated with this practice. Researchers recommended use of a broader social marketing and transdisciplinary approach.