• The fat city that declared war on obesity

    Oklahoma has lost a million pounds of fat. Ian Birrell asks how – and whether declaring ‘war on obesity’ can really change a city’s infrastructure and encourage healthy living.

  • Life and death under austerity

    In times of economic trouble, governments can choose to cut public services to save money. But at what cost? Mary O’Hara meets those on the sharp end of austerity in the UK to find out what it means for mental health.

  • Doing disability differently

    In Canada, wheelchair basketball brings people together regardless of their abilities. Lesley Evans Ogden asks whether this kind of integration could help dispel stigma, discrimination and misconceptions about disability more widely.

  • Can-do attitude (gallery)

    Behind the scenes at Candoco, where disabled and non-disabled dancers together show how dance can be different.

  • Flipped worlds

    A few of the kids at a school in Montréal are different: they’re able-bodied.

  • Brazil’s cancer curse

    The startling discovery that hundreds of thousands of Brazilians have a genetic mutation that undermines their ability to resist cancer is helping labs worldwide in their search for new treatments for the disease. Sue Armstrong reports.

  • Decisions on a knife edge

    Women predisposed to ovarian cancer can reduce their risk with surgery, but with it comes early menopause. Is it safe to delay part of the procedure?

  • Sniffing out ovarian cancer

    Certain diseases give off a distinctive smell, mostly undetectable to humans – but could dogs guide us to new ways of detecting cancer? Emma Young investigates.

  • In the blink of an eye

    Some people suffer eye pain so excruciating they feel suicidal, yet ophthalmologists see nothing wrong. Meet the 82-year-old doctor whose radical idea about the real source of this pain is turning heads.

  • Eye, eye

    23 facts about eyes and what can go wrong with them

  • Light at the end of the scalpel

    Telling cancer from non-cancer is tough for brain surgeons. Scorpions, Amazon.com and the legacy of a dying girl might change that, writes Alex O'Brien.

  • An Amazon of tumours

    What if there were a crowd-sourced library of rare cancer samples, ordered simply using ‘one-click shopping’?

  • Coming up on Mosaic

    If we met new life – on this planet or the next – would we know it when we saw it? Matthew Francis investigates.