Another from Italy with 85 people that found the same https://www.alzheimers.org.uk/news/2018-05-15/bilingual-brains-are-more-resilient-dementia-cause-alzheime

Another from Italy with 85 people that found the same https://www.alzheimers.org.uk/news/2018-05-15/bilingual-brains-are-more-resilient-dementia-cause-alzheimers-disease https://www.alzheimers.org.uk/news/2018-05-15/bilingual-brai... This one appears to have brain scans to suggest structural differences do exist