From dementia to heart disease: could weight-loss jabs transform chronic conditions?

They were developed as diabetes drugs, then their potential for
promoting significant weight loss became apparent. And now study
after study seems to suggest that drugs such as Ozempic and Wegovy
could have all sorts of health benefits, leading some scientists to
hail them a breakthrough that could transform many chronic diseases
of ageing. But what’s the mechanism for these effects and is it
caused by more than weight loss? The Guardian’s science
correspondent Nicola Davis tells Madeleine Finlay what is known so
far. Help support our independent journalism at
theguardian.com/sciencepod