Let's twist again: the secrets of kissing angles revealed

Humans hard-wired to favour leaning to the right while locking lips with romantic partners, an international study has found

Humans are hard-wired to favour leaning to the right while kissing romantic partners, an international study by psychologists and neuroscientists has found.

The research, by the universities of Dhaka, Bath and Bath Spa, found that kiss recipients have a tendency to match their partners' head-leaning direction.