A form of exercise? The science of why we kiss stuff.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from stuff.co.nz Daily Mail and Mail on Sunday newspapers.
Some say kissing evolved out of literal hunger and, today, a kiss provides the chance to satiate a hunger for something else: intimacy, information about someone we like and an expression of fuzzy feelings.
Some say kissing evolved out of literal hunger and, today, a kiss provides the chance to satiate a hunger for something else: intimacy, information about someone we like and an expression of fuzzy feelings.
Some say kissing evolved out of literal hunger and, today, a kiss provides the chance to satiate a hunger for something else: intimacy, information about someone we like and an expression of fuzzy feelings.
Some say kissing evolved out of literal hunger and, today, a kiss provides the chance to satiate a hunger for something else: intimacy, information about someone we like and an expression of fuzzy feelings.