DR. STEPHEN SALLOWAY is the director of neurology and the Memory and Aging Program at Butler Hospital. / COURTESY CARE NEW ENGLAND
Dr. Stephen Salloway heads the neurology department and Memory and Aging Program at Butler Hospital, where, as part of a study, some patients have been taking an investigational drug for Alzheimer’s disease since 2013. Biogen, the maker of the drug, halted further research at one point but reversed course and recently announced that it will…