Naga and the team are joined this month by IBS sufferer Lena Holder and consultant gastroenterologist Dr Ajay Verma. IBS or irritable bowel syndrome is a condition which causes stomach cramps, bloating, diarrhoea and constipation. It’s thought to impact around 13 million people in the UK. That Time of the Month, part of 5 Live’s Me, My Health & I series. Get in touch via @bbc5live on social media.