Writing on X, Content Creator Holly Carpenter says: 'I will never understand why so many lads go around Dublin just casually spitting everywhere? In broad daylight without an ounce of shame. Are you alright It makes me feel ill & I literally never see women doing this'

Is spitting in public places becoming more common? And although it's not a crime should it be treated the same way dropping litter on the street is? 

Kieran was joined by Dr. Orla Cahill Microbiologist and Lecturer in allergen management and Social Media content creator, Holly Carpenter...