Neil Armstrong never capitalised on his celebrity and just wanted to be part of a team – yet ended up making history and becoming an American hero, fellow astronauts said today as mourners gathered to celebrate the life of the first man to walk on the moon.

The number of American children having obesity surgery has trebled in recent years, surging at a pace that could mean more than 1,000 such operations this year, research suggests.

The number of US children having obesity surgery has trebled in recent years, surging at a pace that could mean more than 1,000 such operations this year, research published today suggested.