Influencers made millions pushing ‘wild’ births – now the Free Birth Society is linked to baby deaths around the world

A year-long investigation reveals how mothers lost children after being radicalised by uplifting podcast tales of births without midwives or doctors

The 12 best US gifts for the fitness fan in your life, vetted by a CrossFit coach

From Lululemon to LMNT and Nike, here’s the fitness gear that’s stood up to sweat tests and made workouts better

Hold an ice cube – and shake like a dog: therapists on 16 simple, surprising ways to beat stress

It can cause physiological and emotional problems, but none of us can avoid it entirely. Here are some of the best ways to react when stress hormones start coursing through your body ...

Wednesday briefing: Why strangulation during sex has become so common among teenagers

In today’s newsletter: Despite the risks, many young people now see choking during intimacy as acceptable or even expected, which experts put down to the proliferation of increasingly violent online pornography

Nearly half of sexually active young people in UK have experienced strangulation, study shows

Survey reveals crisis of distress, consent issues and physical harm caused by strangulation during sex

Stephen Dawson obituary

Other lives: Doctor who established an integrated sexual health service in Slough

The one change that worked: I had Sad and felt desperate – until a scientist gave me some priceless advice

Since I was a teenager I had struggled in winter, experiencing excessive tiredness and low mood. A specific instruction lifted the gloom

Is it true that … you burn more fat by working out on an empty stomach?

There are modest benefits to exercising on an empty stomach, but it’s more important to burn more energy than you’re consuming

After I burned out, physics helped me understand what had happened to me – and to move on

I thought hard work equalled success. I had to realise that’s not always how it works, in science or in life, says Google employee Zahaan Bharmal

I thought there was something wrong with my body – until I shared a shower with 50 strangers

Naked in a forest, among people of every age, race, gender and physique, I finally shook off the self-doubt that had haunted me since my teens