Alan Jackson Announces “Last Call” Tour Facebook Prev Article Next Article Advertisement Alan Jackson In September 2021, Alan Jackson revealed he has been diagnosed with Charcot-Marie-Tooth disease, also known as CMT. The degenerative nerve condition is hereditary, so it ran in Jackson’s family. His grandmother, father, and sister all had/have CMT as well. Advertisement According to the Mayo Clinic, some of CMT’s symptoms include weakness in legs, ankles, and feet, difficulty lifting the foot at the ankle, and frequent tripping or falling. Advertisement Prev1 of 3NextUse your ← → (arrow) keys to browse Advertisement Facebook Prev Article Next Article