The BBC's 'Trust me, I'm a doctor' set out to discover whether Tai Chi is as good for you as vigorous exercise. They ran a series of tests on present Michael Mosley as well as two test groups, one of which did zumba and the other Tai Chi.
"As might be expected, our Zumba group were all fitter after 12 weeks. Their blood vessels were more elastic and their blood pressure had dropped. Their blood results improved in line with people undertaking an exercise regime.
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