A key hormone helps determine whether we will trust lovers, friends or business contacts, scientists claim.
Exposure to an oxytocin “potion” led people to be more trusting, tests by University of Zurich researchers found.
They say in Nature the finding could help people with conditions such as autism, where relating to others can be a problem.
But one expert warned it could be misused by politicians who want to persuade more people to back them.
