柯廷大学最新研究表明，澳大利亚现行的痴呆症预防策略过于强调个人生活方式的改变，而忽视了社会和环境条件的重要影响。该研究已在《柳叶刀》期刊发表，识别了61项痴呆症风险因素1，远超过之前已知的14项1。研究指出，教育水平、社交孤立、听力和视力丧失等社会环境条件对痴呆症的影响被广泛忽视1。研究人员进一步发现，这些风险因素相互关联，例如社交孤立可能导致抑郁、停止运动等连锁反应1。
痴呆症在澳大利亚已构成严峻的公共卫生挑战。截至2025年，约439,000名澳大利亚人患有痴呆症，其中56%为女性1；90岁及以上人群中患病率高达42.7%1。痴呆症目前已成为澳大利亚的主要死亡原因1。根据预测，到2065年这一数字将激增至100万人以上1。Jennifer Dunne博士表示，痴呆症"已经相当接近"成为国家公共卫生危机1。
Curtin University researchers have identified 61 risk factors for dementia, more than quadrupling the previously known 14 factors, revealing significant gaps in Australia's current prevention approach.1 The study, published in The Lancet, demonstrates that dementia prevention strategies have disproportionately focused on individual lifestyle choices while overlooking critical social and environmental conditions such as education, social isolation, and hearing and vision loss.1
Current and projected dementia figures underscore the urgency of a more comprehensive approach. In 2025, approximately 439,000 Australians are living with dementia, with women accounting for 56 percent of cases.1 The condition has become Australia's leading cause of death, and projections indicate that by 2065, over one million Australians will be affected.1 Among Australians aged 90 and over, 42.7 percent have dementia.1 According to Dr. Jennifer Dunne, dementia has "come quite close" to becoming a national public health crisis.1
The research highlights how interconnected risk factors can trigger cascading health consequences. Social isolation, for example, can lead to depression and reduced physical activity, compounding dementia risk through multiple pathways.1 These findings suggest that effective dementia prevention requires addressing not only personal lifestyle modifications but also the broader social and environmental determinants of brain health in aging populations.
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