THERE is no single secret that can take the credit for longevity in life, according to new centenarian Linda Haddon.

The former oxy welder, during World War II, and current great-grandmother celebrated her birthday at Oasis Aged Care on Friday, surrounded by her friends and carers.

Mrs Haddon said there was no one thing to which she could attribute her long life.

"People say to me 'what do...