Public displays of affection are widely mocked online and off, but they have a positive side – and now science has proved it

Does the idea of snogging your other half in public make you cringe? If the answer is yes, there's bad news - as a new study has revealed that public displays of affection (PDA)…

Public displays of affection are widely mocked online and off, but they have a positive side – and now science has proved it