Social psychologist Amy Cuddy gave a TED talk in which she claims that adopting certain postures:
can affect testosterone and cortisol levels in the brain.
Business Insider Australia summarised it this way:
Her research showed that standing or sitting a certain way, even for two minutes, raises testosterone levels and lowers the stress hormone cortisol.
These immediate changes in your body chemistry can affect the way you do your job and interact with other people. They might even have an impact on your chances of success.
Is this true?