Write a concise investigation into why Twisted Sister’s 2026 reunion tour was canceled, foregrounding Dee Snider’s health updates without sensationalism. Weave in expert perspectives from medicine, sports science, and psychology to explain how aging can affect touring performers. Include direct quotes or paraphrases from Snider to illustrate transparency with fans and the moral duty of artists to prioritize safety. Explore the ripple effects on fans, crew, and the indie-tour ecosystem when a long-awaited tour is halted. Conclude with practical takeaways for readers about aging, resilience, and the evolving demands of live performance.