Could you give up caffeine for six months?

No coffee for six months, not even decaf. That's what participants of a trial looking into the effect on atrial fibrillation were asked to do.

Also, could we be on the verge of changing guidelines for asthma care in children? Or is it too early to call?

And catching cancer early can be important. How far away are we from harnessing blood, urine and even saliva tests to help?

References

PFAS inquiry hands down 47 recommendations to better regulate 'forever chemicals' in Australia - ABC News The Lancet series on ultra-processed foodsOrforglipron, an o...