Britain is getting hot and steamy. From railway arches in Peckham to windswept beaches in Fife, public saunas are popping up across the country. The Weekend Intelligence sweats into Britain's booming sauna scene—where wellness culture meets genuine need. Inside the heat, Gen Z ditching the pub, unpaid carers prescribed steam, and strangers bonding through sweat and shared endurance. A story about bodies, belonging, and why Britain is learning to sweat together.