Toxic air pollution particles found in lungs and brains of unborn babies Particles breathed by mothers pass to their vulnerable foetuses, with potentially lifelong consequences
Landlines by Raynor Winn review – back on the trail The author of The Salt Path returns with another heartwarming odyssey, this time on one of the wildest walks in Britain
Increase in LED lighting ‘risks harming human and animal health’ Transition to blue light radiation across Europe increases suppression of sleep hormone melatonin, say scientists
I sat on a wet towel, my stepfather sent apocalyptic texts, but our long-term response to the UK’s heatwave must be action As our brains return, briefly, to room temperature, it’s time to think about what we do next, writes Emma Beddington
‘I call it sauna head – your ego disappears’: how the UK got hooked on heat From a hut by a Welsh river to a converted horsebox on the beach, saunas are appearing in unlikely spots all over the country
Beat the heat: how to stay cool in hot weather UK authorities have issued a health alert after temperatures were forecast to top 30C on Friday. Here are some tips on how to stay well
Do wood burners add to air pollution in cities? Yes, say citizen scientists Pioneering Bristol study blames the solid-fuel burners in people’s homes for breaches of World Health Organisation guidelines
Global heating is cutting sleep across the world, study finds Data shows people finding it harder to sleep, especially women and older people, with serious health impacts
Space to grow: wilderness therapy could help abuse survivors University of Essex pilot study suggests being outdoors can help self-esteem and wellbeing
Here’s another reason to donate blood: it reduces ‘forever chemicals’ in your body While the $4tn global wellness industry bends over backwards to sell us dubious detox products, there is an accessible, easy, and free way to genuinely rid our bloodstreams of toxins