Prof Stephen O’Rahilly, who discovered the obesity gene affecting children, is head of  clinical biochemistry and director of the Institute of Metabolic Science at the University of Cambridge. Photograph: Phil Mynott

Stephen O’Rahilly struggles with his weight. “I have a very powerful appetite, I eat too much. I would find it impossible to skip lunch,” the Cambr(...)

Mayor of London Boris Johnson and prime minister David Cameron after visiting a nursery during the election campaign, in south London. Photograph: Facundo Arrizabalaga/EPA

English MPs must be given powers to pass legislation affecting only English voters, such as tax rates, the Conservatives have said, pledging to begin (...)

Under pressure: British prime minister and Conservative leader David Cameron on the campaign trail. Photograph: Toby Melville/AFP/Getty Images

David Cameron is not a man much given to introspection, it often seems. Blessed with a happy, comfortable childhood, he has always approached life con(...)

British chancellor George Osborne accepted that public scepticism and “fatigue” is growing about the election offerings of all parties.  Photograph: Simon Dawson/Bloomberg

The borrowing and spending plan of all of the main British parties in the general election leave voters “in the dark” about the spending cuts and t(...)

Liberal Democrat leader Nick Clegg visits the Airbus factory in Filton: “Workers across the public sector have made enough sacrifices.” Photograph: Matt Cardy/Getty Images

Liberal Democrats leader Nick Clegg’s pledge to increase public workers’ pay by inflation over the next two years if his party gets back into power – (...)

London mayor Boris Johnson and prime minister David Cameron join a hand-printing session with children at the Advantage children’s daycare nursery in  Surbiton, England. The pair have set their sights on the Scottish National Party recently. Photograph: Toby Melville/WPA Pool/Getty Images

The message is everywhere from David Cameron, even on the gaily coloured sofas so beloved of mid-morning televisions studios. Be afraid, be very afrai(...)

Mayor of London Boris Johnson and Craig Mackinlay, Conservative Parliamentry candidate for South Thanet, enjoy an ice cream  in Ramsgate, Kent. Photograph: Gareth Fuller/PA Wire

Boris Johnson walked away from the counter of the Sorbetto ice cream parlour in Ramsgate, happily chomping his way through a bubble gum-flavoured cone(...)

Former British prime minister John Major has warned that a minority Labour government will be held “to ransom on a vote by vote basis” by the Scottish National Party. Photograph: Eric Luke / The Irish Times.

Former British prime minister John Major has warned that a minority Labour government will be held “to ransom on a vote by vote basis” by the Scottish(...)

Scottish first minister Nicola Sturgeon:   Piers Morgan huffs that the Scottish National Party  leader is “the world’s most dangerous woman”. Photograph; Lesley Martin/AFP/Getty Images

For three weeks, the British election campaign has, outside of Scotland, only occasionally interested voters, as politicians struggle to break through(...)

Nicola Sturgeon speaking at the launch of the Scottish National Party  election manifesto in Edinburgh yesterday. Photograph: AFP Photo/Lesley Martin

The Scottish National Party (SNP) will use its post-election House of Commons influence to act “in the interests” of all of the United Kingdom and e(...)