When the female stranger left the room and the two men remained sitting together, the volunteer "s stress levels did not rise."

当陌生女性离开房间，屋内剩下两名男性时，研究对象的压力水平没有升高。

youdao

Nor did a mother's own stress levels.

ECONOMIST: Neuroscience and social deprivation

It found differences in stress levels across the UK. Wales and Scotland were found to have Britain's happiest communities with the lowest stress levels, while workers in Wales enjoyed their jobs more than those living in any other region.

BBC: Mother and baby

He said what was important was that "individuals involved in this side of business understand the levels of stress and confusion that's going on for those on schemes like these".

BBC: UK