(CNN) — The full approval this month of the Alzheimer’s drug Leqembi marked a historic shift in the treatment of the disease: For the first time, doctors have<a class="excerpt-read-more" href="https://whdh.com/news/second-alzheimers-drug-to-slow-diseases-progression-may-be-approved-in-the-us-this-year/">Read More</a>