More than 200m homes now have a smart speaker providing voice-controlled access to the internet, according to one global estimate. Add this to the talking virtual assistants installed on many smartphones, not to mention kitchen appliances and cars, and that’s a lot of Alexas and Siris. Because talking is a fundamental part of being human, it is tempting to think Read More

Public health experts in the UK have spoken out against a new book that claims many of us should be eating more salt, not less – claiming the advice could endanger people’s health. New York scientist James DiNicolantonio says in his book The Salt Fix that the World Health Organisation and the US and UK advisory bodies on diet have got it Read More

Could eating more salt really reduce the amount of sugar in our diet and help us lose weight? Photograph: Hera Food/Alamy Public health experts in the UK have spoken out against a new book that claims many of us should be eating more salt, not less – claiming the advice could endanger people’s health. New York scientist James DiNicolantonio says Read More