A Hong Kong study of 121,492 older adults links nitrogen-containing bisphosphonates for osteoporosis to a 16% lower Alzheimer's disease risk.
https://www.foxnews.com/health/popular-drugs-bone-health-linked-significantly-lower-alzheimers-risk
https://www.foxnews.com/health/popular-drugs-bone-health-linked-significantly-lower-alzheimers-risk