New da­ta for Alzheimer’s drugs raise hopes, and ques­tions, about big­ger ben­e­fits over time

TORON­TO — Two stud­ies fol­low­ing Alzheimer’s pa­tients for sev­er­al years af­ter start­ing Eli Lil­ly and Ei­sai’s amy­loid-clear­ing treat­ments sug­gest the ben­e­fits are mag­ni­fied over time, bol­ster­ing …

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