The long read: It’s cheap, attractive and convenient, and we eat it every day – it’s difficult not to. But is ultra-processed food making us ill and driving the global obesity crisis?
Huge numbers of people are wearing face masks – in Japan and South Korea there have been reports of stores selling out. But experts are divided on how effective they are
When treating antibiotic-resistant infections, injecting patients with other people’s excrement can be highly effective. Could it be the answer to dementia, anorexia and obesity too?