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

Recharging station: can at-home mats provide the same benefits as PEMF therapy?

People in pain swear by pulsed electromagnetic field therapy. Experts weigh in on the mats that have emerged as a self-therapy tool

She left her desk job and walked 3,541 miles from Mexico to Canada: ‘Give yourself permission’

Jessica Guo hiked 30 miles a day, becoming the first woman to continuously hike two historic trails in a single season

Women must be warned of home birth risks and have access to skilled midwives, experts say

Exclusive: Pregnancy experts warn of inadequate medical advice and lack of safe and reliable care