The brighter outlook for young leukaemia sufferers is because they tend to have types of the disease which are easier to treat with chemotherapy.
Younger people can also generally be given more intense treatment, and the short-term side effects can now be managed effectively.
Around 2,500 people are diagnosed with acute myeloid leukaemia (AML) in the UK each year.
The risk of developing it increases with age and it is most common in people over 65 years old.
More top news
Sex abuse in football is still happening today - and not just in Britain, victims say.
A fairly cloudy afternoon with some bright breaks developing across the U.K.
A 60-second clip shows animated tattoos depicting scenes of violence against children appear on David Beckham's body.