American racing champion and NASCAR Hall of Famer Darrell Waltrip has been diagnosed with Frontotemporal Dementia (FTD), his family has announced.The 79-year-old former NASCAR driver and broadcaster will be stepping further away from public life following the diagnosis.According to his family, Waltrip has FTD, which is being complicated by possible chronic traumatic encephalopathy (CTE), which they believe may be linked to injuries sustained during his racing career from 1972 to 2000.“We wanted to share a health update with all of Darrell’s friends and fans who have supported him throughout his racing career. Recently, Darrell has been diagnosed with Frontotemporal Degeneration (FTD) complicated by possible Chronic Traumatic Encephalopathy (CTE) — likely from injuries incurred during his racing career,” the family said in a statement.The family said Waltrip currently has only “minor noticeable symptoms” and is “happy and otherwise healthy,” spending time with his wife, Stevie, and their two daughters.Why Can Repeated Head Injuries Raise CTE Concerns?Chronic traumatic encephalopathy (CTE) is a progressive brain disease believed to be associated with repeated head injuries. It has most commonly been studied in contact-sport athletes and military personnel exposed to repeated head trauma.Experts are still studying how the number and severity of head injuries contribute to CTE risk. Importantly, not everyone exposed to repeated head injuries develops CTE, and the condition can currently be definitively diagnosed only after death through examination of brain tissue.A 2026 study led by researchers at Boston University and Harvard Medical School found that roughly one in four former NFL players who died between 2016 and 2021 had CTE.CTE And RacingAlthough CTE has historically received considerable attention in American football and other contact sports, repeated head impacts can occur in motorsports as well.Waltrip is not alone. NASCAR Hall of Famer Fred Lorenzen was diagnosed with CTE by researchers after he died in 2024.What Is Frontotemporal Degeneration?Frontotemporal degeneration, also known as frontotemporal dementia (FTD), refers to a group of brain disorders that primarily affect the frontal and temporal lobes.These areas are involved in personality, behavior, language, and other functions. Unlike Alzheimer's disease, memory loss may not be the first or most prominent symptom of FTD.FTD can develop at a younger age than many other forms of dementia, sometimes affecting people in their 40s or 50s.The condition can cause changes in:Personality and behaviorJudgment and decision-makingEmotional responses and empathySpeech and languageMovement and coordinationAmerican actor Bruce Willis has also been diagnosed with FTD.What Are The Symptoms Of FTD?Symptoms vary depending on which areas of the brain are most affected and generally worsen over time.Behavioral SymptomsPersonality and behavior changesLoss of empathyPoor judgment and impulsivitySocially inappropriate behaviorApathy or loss of interestRepetitive or compulsive behaviorLanguage SymptomsDifficulty finding wordsTrouble understanding speech or writingDifficulty naming objectsIncreasing difficulty speakingMovement SymptomsTremors or stiffnessMuscle weakness or spasmsPoor balance and fallsDifficulty swallowingChanges in speech or movementDarrell Waltrip's Racing LegacyWaltrip is one of NASCAR's most accomplished drivers, with 84 Cup Series victories and three Cup Series championships.He won the Daytona 500 in 1989 and the Southern 500 in 1992. He also won the Coca-Cola 600 five times, making him the winningest driver in the race's history.Waltrip later became a familiar voice in NASCAR broadcasting, working as a commentator for many years.