Doctors reported patients with symptoms associated with having taken an MDMA-containing substance, more commonly known as ecstasy.
A 2011 study out of the US cause a "media storm", Dr Damian Scarf said, but his team found the pace of a cartoon has no effects on kids' executive function.
Professor Connett, who has a PhD in chemistry, made numerous points, but one of the main ones was that he believes research suggests fluoride can impair intelligence.
Carlos, 21, is confident the dramatic change in his looks, will likewise change his life after NZ-first reconstructive surgery.
Speaking on TVNZ1's Breakfast today King said the campaign is motivated by the "crisis focused" nature of the New Zealand mental health system.
Sunday reporter Janet McIntyre writes about her encounter with a young man before he took part in surgery which could change his life.