"In my study, the model minority pressure is a huge factor, " says Noh, who studied 41 Asian-American women who'd attempted or contemplated suicide.

CNN: Push to achieve tied to suicide in Asian-American women

This is likely to put severe pressure on China's fast-growing ports, says a joint study by Drewry and APL, a shipping line.

ECONOMIST: On a roll

In fact, the study participants only had to do this six times to see their systolic pressure dip as much as 10 points.

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The study in the Journal of Personality and Social Psychology, contradicts the idea that being under pressure leads to bad habits like over-eating or shopping sprees.

BBC: People under stress stick to habits, good or bad