Direct-to-consumer advertising (DTCA) of pharmaceuticals is undertaken by pharmaceutical companies in order to encourage the consumption of medications. The US Food and Drug Administration (FDA) classifies DTCA into three types: (1) reminder advertisements contain the name of a drug only and are designed to reinforce brand recognition; (2) help-seeking advertisements contain information about a disease or condition without mentioning a particular treatment; (3) product-claim advertisements contain specifically effective and safe information about drug products and display ads that contain the names of them, indications, and information about their safety and effectiveness...