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) are actually good for you.

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