Does This Signal Trouble for Biogen's New Alzheimer's Drug?

Does This Signal Trouble for Biogen's New Alzheimer's Drug?

Source: 
Motley Fool
snippet: 
  • Some European Alzheimer’s experts are wary about the future of Biogen’s drug Leqembi in the region.
  • Regulators in Europe, the U.S., and Japan currently are reviewing the drug.