BEIJING, April 25 (Xinhua) -- The biological and life science experiment samples transported by the Shenzhou-20 spacecraft have been successfully transferred to China's space station, according to the ...

SYDNEY, April 18 (Xinhua) -- Household income plays a major role in childhood obesity rates in Australia, accounting for nearly half of the socioeconomic disparity in obesity levels among children and ...

在民间流传着这样一句话：吃香椿可以调畅气血，预防“中风”。虽然听起来像是偏方，但其实背后还真有点科学道理。从现代医学角度来看，“中风”即脑卒中，是因为脑部供血异常导致的疾病。而香椿对于高血压、糖尿病患者来说，是一种不错的食疗选择，它能帮助调理血压、血脂和血糖。

为探究阿尔茨海默病（AD）早期特定病理生理途径与大脑生物老化的关系，研究人员开展了以认知未受损个体为对象的研究。结果发现，较高的脑脊液 sTREM 2 与更年轻的大脑年龄相关，且完全介导了大脑年龄与认知衰退的联系，这对理解 AD 早期认知衰退机制意义重大。