A new study suggests that bilingual stroke patients are almost twice as likely to recover than those who spoke only one language.
About 40% of the patients that were bilingual had normal cognitive function return after a stroke, compared to 20% for monolingual patients.
Researchers believe that challenges involved in swapping between languages may mean that the cognitive reserve – the ability of the brain to cope with damage such as that caused by a stroke – is increased.
Bill Condie is a science journalist based in Adelaide, Australia.
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