All about kissing – why it’s so much fun

Kisses establish the ‘chemistry’ of romance, set off a whirlwind of neurotransmitters and provide clues to a partner’s DNAScientists in the Netherlands have reported that we share about 80m bacteria during a passionate 10-second kiss: a finding that makes puckering up seem cringe-worthy – and downright unsanitary.But take heart: we’re more likely to get sick by shaking hands throughout the day than through kissing. And the science behind this behaviour reveals that along with all of th