But for some people, burping isn’t just difficult, it’s nigh on impossible, due to a condition called retrograde cricopharyngeal dysfunction (R-CPD), more commonly known as ‘no-burp syndrome’.

Burp Syndrome” that makes it impossible for someone to burp – and what happens then? The condition is officially dubbed retrograde cricopharyngeal dysfunction (R-CPD), and affects the cricopharyngeus ...