Discover how to craft a professional resignation letter due to illness. "Due to health reasons, I find it necessary to resign to focus on my wellbeing.20 sample resignation letters due to health issues to provide you with guidance and assistance for resigning gracefully and professionally. Health Reasons Resignation Letter. Dear Ms. Margie King,. Want to quit your job due to health problems? Know how to write the perfect resignation letter due to health issues, with this guide and multiple samples. In this article, we'll give you practical tips, examples, and a resignation letter template to help you navigate the process with confidence and ease. My last day of work in the office will be on (a date two weeks in the future). • Turned in resignation letter.