More than half of all the top trending videos offering mental health advice on TikTok contain misinformation, a Guardian investigation has found.People are increasingly turning to social media for mental health support, yet research has revealed that many influencers are peddling misinformation, including misused therapeutic language, “quick fix” solutions and false claims.Those seeking help are confronted with dubious advice, such as eating an orange in the shower to reduce anxiety; the promoti...