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.
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Armed police have carried out a raid apparently linked to Wednesday's deadly terror attack in Westminster.
Cheryl Grimmer vanished from inside a beach shower block in Wollongong, Australia, in 1970, when she was just three.
Pc Keith Palmer was on the front line and because of his actions, the Westminster attacker was unable to kill anyone else.