Iodised salt has become uncool but many of us need to eat more iodine
Boring old iodised table salt should make a comeback Tatjana Baibakova/Alamy When I was at uni, I had a biology lecturer who was obsessed with iodine, and whose life’s work had been tackling global dietary deficiencies. He urged us to always use iodised salt, telling us it had raised the IQ of whole nations and…