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喝茶长寿!阜外医院顾东风团队研究称,绿茶更好,每周至少要喝三次

2020-01-10 文韬 中国循环杂志

近期,中国医学科学院阜外医院顾东风院士等发表研究称,每周至少喝茶三次者,更长寿,也更健康。研究共分析了10万居民,研究开始时没有心脏病、中风或癌症史。按照有喝茶习惯(每周≥3次)和没有喝茶习惯(每周<3次)分成了2类,共追踪7.3年。研究发现,与不喜欢喝茶者相比,有喝茶习惯者发生心脏病和中风的风险降低20%,死亡风险降低15%。有喝茶习惯者预期寿命更长。估计50岁的人如果有喝茶习惯,寿命将延

近期,中国医学科学院阜外医院顾东风院士等发表研究称,每周至少喝茶三次者,更长寿,也更健康。

研究共分析了10万居民,研究开始时没有心脏病、中风或癌症史。按照有喝茶习惯(每周≥3次)和没有喝茶习惯(每周<3次)分成了2类,共追踪7.3年。

研究发现,与不喜欢喝茶者相比,有喝茶习惯者发生心脏病和中风的风险降低20%,死亡风险降低15%。

有喝茶习惯者预期寿命更长。估计50岁的人如果有喝茶习惯,寿命将延长1.26年。

作者表示:“茶的主要生物活性化合物是多酚,不能长期保存在体内,可能要经常喝茶,才有预防心脏病作用。”

研究还发现,喝绿茶有好处,而未观察到红茶有类似的保护作用。

作者表示,东亚人偏爱绿茶。研究人群中,有49%喜欢喝茶的人喝绿茶,而只有8%的人喜欢红茶。喝红茶的人数少,不容易发现红茶的作用。

作者认为,绿茶中茶多酚含量更高,而红茶经过发酵,茶多酚被氧化成色素,可能失去其抗氧化作用。

另外,男士喝茶似乎效果更好,作者认为,有48%男士习惯喝茶,而女士仅20%,而且女士心血管病的发病率和死亡率要低。因此,研究不容易发现女士喝茶的作用。

来源:Wang X, Liu F, Li J, et al. Tea consumption and the risk of atherosclerotic cardiovascular disease and all-cause mortality: The China-PAR project. Eur J Prev Cardiol. 2019. doi:10.1177/2047487319894685.

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    2020-06-11 wwzzly
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    2020-01-12 hbwxf

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