“Baby brain”: it’s a thing

Research news in brief

Season's greetings from MJA InSight

Teen pregnancy: LARCs not “one-size-fits-all”

E-cigs and teens: evidence warns of harms and gateway effect

Emerging focus on frailty

Targeting lifestyle risk factors for dementia

How climate change can spread respiratory infection

Nicotine replacement in pregnancy: be confident

Codeine rescheduling: educated consumers support it

Acute abdomen: fast-track pathway will save lives, and millions

Worrying news about gonorrhoea and pelvic inflammatory disease