The brain microbiome: could understanding it help prevent dementia?

Long thought to be sterile, our brains are now believed to harbour all sorts of micro-organisms, from bacteria to fungi. How big a part do they play in Alzheimer’s and similar diseases?

‘I felt like a bystander in my own internal recovery’: one woman’s battle for health after a life-changing diagnosis

Facing an enormous decision about her health filled Kat Lister with wonder at her body’s ability to fight for her

Be honest, have you had work? 11 people open up about what they do – or don’t do – to their face

In the world of Botox, fillers and laser facials, 11 people – from the podcaster who has spent more than £135,000 on her face, to the 96‑year‑old who would never try tweakments – reveal all

What is ADHD, how do you get a diagnosis and can you only treat it with drugs? All your questions, answered by experts

Attention deficit hyperactivity disorder affects about 2.6 million people in the UK, yet misinformation about the condition is rife. Here we separate scientific fact from TikTok-fuelled fiction

How do I get my parents to stop fixating on the fact I’ve gained weight?

If your unhappiness about unsolicited comments about your body has any hope of registering, says Eleanor Gordon Smith, you have to do more than pushback here and there

Can Gwyneth Paltrow save Goop with a bold new vaginal product?

Rumours the company is in its death throes underestimate the actor’s talent for business – and the public’s insatiable appetite for kooky wellness gimmicks, writes Arwa Mahdawi

Irregular sleep pattern raises risk of stroke and heart attack, study finds

Variations in time a person goes to sleep and wakes up ‘strongly associated’ with higher risk of negative impacts

Health, happiness … and romance? How running could help you find love

It’s a well trodden fact that running with other people is good for camaraderie, safety and our physical and mental wellbeing – but now it seems it’s fertile ground for dating

I’m still running at seven months pregnant. But it’s transformed how I think about exercise

All too often, staying fit is about vanity and status. The slower and wheezier I become, writes Nell Frizzell, the more I realise it’s also about survival

I’ve written a diary every day since I was 14. What does that say about me?

Reading four decades of entries, I realise ego can take precedence over world events, life is never too dull to record – and I’ve learned not to take myself so seriously