This week Rebecca Coombes is back with another big-food investigation, this time about fast-food giant MacDonalds subverting attempts to stop it opening stores near schools.

Sticking with industry behaving badly, May van Schalkwyk, from the University of Edinburgh, wonders why we haven't learn lessons from the attempts to control big tobacco companies, when it comes to other industries that harm health.

And finally, AI in healthcare - Karim Lekadir, from the University of Barcelona, explains new guidelines which can help evaluate which AI applications are trustworthy.

Reading list

McDonald’s triumphs over councils’ rejections of new branches

FUTURE-AI: international consensus guideline for trustworthy and deployable artificial intelligence in healthcare