Addiction to ultra-processed food affects 14% of adults globally, experts say

Report’s authors also estimate about 12% of children hooked and call for further research into problem

The new hot spot: why we’re all falling for the warm embrace of the sauna

I travelled to Nordic forests and windswept archipelagos to understand the health benefits of the sauna – no wonder it’s becoming popular in the UK

The truth about wrinkles: what are they – and what do they really say about our skin?

The human face shows the most visible signs of ageing – from frown lines to crows’ feet. But some scientists suspect wrinkles could also be driving the ageing process

‘I steer away from sugars, and most of all stress’: how six experts look after their own skin

Dermatologists reveal their daily routines, which products they use on themselves and why they avoid soap

More and more people are having ‘tweakments’. But what do we really know about the long-term effects?

Non-surgical cosmetic treatments are growing ever more popular worldwide, but how safe are they? And are fillers and Botox changing our idea of beauty?

Let it shine: the unexpected benefits of sun exposure on skin

For years we’ve been told to avoid sun to prevent skin cancer. But research suggests a dose of rays can boost your immune system and increase lifespan. We look on the bright side

A sting in the tale: weaving with nettles helped turn grief into joy

Recovering from the loss of his wife, Allan Brown turned his hand to an ancient craft

How AI and brain science are helping perfumiers create fragrances

Beauty brands are looking to neuroscent research and technology to sniff out the factors that lure buyers

The science of skin: everything you need to know about your body’s biggest organ – and how to protect it

It is the size of a bedsheet, an outward display of our mood, age and identity and replaces itself completely every month – and that’s just scratching the surface

How I learned to tell my own story as a South Asian woman

As a child, I wanted to belong, but didn’t see brown girls like me in culture. I’d like space for our stories to be told, too