ALS association

A controversial new drug for ALS that just received FDA approval could add months to patients' lives, but some scientists question whether it actually works. Manuel Balce Ceneta/AP hide caption

The drugmaker Amylyx is asking the FDA to approve a new medication for ALS, a fatal neurodegenerative disease. It's possible the agency could greenlight the drug by the end of the month. Manuel Balce Ceneta/AP hide caption