In late May, Jeff Kato of Balancing Environment and Rehabilitation (BEAR), the nonprofit rehabbing Glen Haven’s historic Sleeping Bear Inn, found this bottle of Foley’s Cough Syrup—a concoction of 7% alcohol, honey and pine tar made popular during the 1918 flu epidemic—behind the baseboard in one of the guest rooms. The cough syrup has reappeared for the COVID-19 pandemic.