What is Darrell Waltrip's health condition? Is frontotemporal dementia tied to CTE?

- CTE: 23 events in the last 90 days
- Previous: 15 days earlier · Report says Australian study finds 31 rugby league players with brain disease CTE
What happened
NASCAR legend Darrell Waltrip revealed that he has frontotemporal degeneration, a progressive brain disorder that affects behavior, language and cognition.
Summary assembled by rule from the sources below