Below are a list of Frequently Asked Questions (FAQs) on benefit topics: health insurance, life insurance, dental and vision program, long-term care insurance, Flexible Spending Account (FSA), retirement, and the Thrift Savings Plan (TSP). The answers to these FAQs reside on the U.S. Office of Personnel Management (OPM), FSA Fed, and the Thrift Savings Plan (TSP) web sites. The National Institutes of Health (NIH) follows this guidance for our NIH employees.