A TikTok trend of taping your mouth shut at bedtime to enforce nasal breathing is gaining traction in Ireland, but experts say evidence of the benefits is lacking. 

Videos of the practice, favoured by celebrities including Gwyneth Paltrow, Julia Bradbury and Erling Haaland, have gained more than 38.5 million views on TikTok. It involves placing a strip of skin-friendly tape over or around the lips to help keep them shut while 

Sean was joined by Prof. Ken O’Halloran is a Professor of Physiology and Department Head at UCC...