An outright ban is recommended as the “most effective policy tool.”
From a University of Illinois media release:
With mounting concerns over childhood obesity and its associated health risks in the U.S., would a ban on junk-food advertising aimed at children be more effective than the current voluntary, industry-led ban? According to published research from a University of Illinois economist, advertising bans do work, but an outright ban covering the entire U.S. media market would be the most effective policy tool for reducing fast-food consumption in children…
Good! So can we ban those ads the lawyers have searching for anyone who will claim some medicine or well meaning doctor caused them some harm? Would banning political ads mean less politicians?