Overnight Health Care: FDA narrows use for controversial new Alzheimer’s drug after criticism | Pfizer to seek FDA authorization for booster of COVID-19 vaccine | House report: Drug companies spent more on buybacks, dividends than research

Welcome to Thursday’s Overnight Health Care. You may be having a bad day, but it’s much, much worse if you need to navigate a flooded NYC subway today.If you have any tips, email us at nweixel@thehill.com, psullivan@thehill.com and …