What is the new exercise science fit for?

Matt Seaton: We know more about health and fitness than ever before, but knowledge is only an unqualified good when it has benefits for all

Vidal Sassoon dies at Los Angeles home aged 84

Hair stylist who revolutionised women's cuts in the 1960s reported to have died of natural causes

Deepak Chopra may be wealthy, but even he knows that’s all an illusion

Sue Blackmore: The guru's twisting of 'spirituality' to tell his followers that they can be rich and stay young misses the point of enlightenment

Double mastectomy: my brutal 40-day breast cancer cure

Emma Gilbey Keller: A handful of atypical cells one week; a double mastectomy and reconstructive surgery the next

Mindfulness: the altered state of America

Ed Halliwell: Mindfulness meditation was once a tool of the counter-culture. But now it's transforming the minds of conservative America

Don’t let extreme anti-abortion groups infiltrate the mainstream

Kate Smurthwaite: Attempts to access abortion data have left women scared and intimidated. We must guard against a rise in extremist activities

Healthcare law: outside the supreme court, passions flare over legal battle

This week's hearings may be a dry contest of legal precedent, but there is no shortage of furiously divided opinion outside court

Pro-choice supporters plan first ever protest against anti-abortion activists

Counter-demonstration to be held at British Pregnancy Advisory Service clinic in London targeted by religious groups

The Ashley treatment: ‘Her life is as good as we can possibly make it’

In an exclusive email exchange, Ashley's father talks to Ed Pilkington about his daughter's condition, her growth attenuation treatment – and the criticism his family has faced