Terrifying reality of the 'yummy mummy' craze for 'edibles': I saw a 40-year-old middle-class mum in a psychiatric ward after a single hit of this LEGAL drug. Here's what you must know: DR MAX PEMBERTON | Daily Mail Online

I was walking through the London Underground recently when a glossy advert made me do a double-take. Professionally produced, it was the kind you associate with a wellness brand.