Out with pouts and down with frowns as the smile sneaks on to the catwalk

A strange thing has been seen of late in the world of haute couture – some of its famously straight-faced denizens have been turning up the corners of their mouths

Pregnant women advised to dim lights before bed to reduce diabetes risk

Those exposed to more light in hours before sleep appear more likely to develop gestational diabetes, researchers suggest

Wearable fitness trackers could interfere with cardiac devices, study finds

Bioimpedance sensing technologies as used in smartwatches could affect implanted devices like pacemakers

My 72-hour labour was a nightmare. But at least I had access to clean water

It is a shocking fact that more than 16 million women give birth every year without this basic necessity. This cannot go on, says chef, author and presenter Nadiya Hussain

Meditation could have positive impact on gut and overall health

Practice may help regulate gut microbiome and lower risk of ill health, study of Buddhist monks finds

Piggy review – darkly fun horror wreaks brutal revenge on the bodyshamers

Laura Galán is a delight as an awkward teen caught in a web of small-town gossip and murder in this socially conscious Spanish slasher

Rising temperatures causing distress to foetuses, study reveals

Climate crisis increases risks for subsistence farmers in Africa who usually work throughout pregnancy

Plant-based diet can cut bowel cancer risk in men by 22%, says study

Researchers find no such link for women, suggesting connection between diet and bowel cancer is clearer for men

My US hellscape or broken Britain: where would you rather seek healthcare?

It’s insurance renewal time again – when I discuss cover in New York, hear tales of NHS woe in the UK, and wonder which is worse, says Guardian columnist Emma Brockes

No need for six-month wait to try for baby after pregnancy loss, study finds

Analysis challenges WHO health guidance on amount of time women should delay after miscarriage or abortion