Dr paul walker , chair of pha cymru , the welsh public health association , said , “ we have known for many years that such a diet promotes cardiovascular health and reduces the risks of heart attacks , strokes and peripheral vascular disease and probably reduces the risks of certain cancers and of developing alzheimer ' s disease , but its protective impact on chronic respiratory disease is a recent finding 威尔士公共卫生机构主席保罗沃克维奇博士说， “我们很多年前就知道有些食物可以促进心血管健康和降低心脏疾病风险的发生，降低中风和外周血管疾病及某些癌症的发病率和阿尔茨海默病的发展，但防范与预防呼吸道疾病的作用还是最近发现的。 ”
