The Trump administration says some approved childhood vaccines need better studies. Scientists disagree

特朗普政府要求对某些批准的儿童疫苗进行更深入的研究，而科学家对此持不同意见。

How some people get drunk from their own gut bacteria

这项研究探讨了部分人因自身肠道细菌而出现醉酒现象。