Is it true that … we should eat 30 plants a week?

A growing supplements market may be trying to capitalise on this claim, but the truth is we still don’t know what a truly healthy gut microbiome really looks like The idea comes from a 2018 study involving more than 10,000 people in the US, UK and Australia. Participants submitted stool samples and reported what they typically ate. Researchers analysed the microbes in those samples and found that people who consumed more than 30 different plant foods a week tended to have a more diverse gut m...

By Kate Lloyd