https://oem.bmj.com/content/oemed/83/2/107.full.pdf
curious. Of course I am interested in the potential links between head trauma and neurodegenerative diseases.
chatGPT:
Summary
The paper is a retrospective cohort study of 1,012 professional wrestlers who performed for WWE or predecessor organisations between 1953 and 2024. It compares their survival with sex- and age-matched referents from the US general population.
The main finding is that professional wrestlers had significantly worse survival, with an estimated loss of 2.91 life-years compared with the general population. The deficit was not immediate: the life-years curve initially showed a tiny early advantage, then declined progressively after about 15 years post-debut.
There were 157 deaths, including 67 before age 50. The leading causes of death were:
| Cause | Share of deaths |
|---|---|
| Cardiovascular disease | 40.8% |
| External causes, including overdose and suicide | 23.6% |
| Cancer | 12.1% |
| Nervous system disease, mainly neurodegenerative disease | 5.7% |
Two factors were significantly associated with poorer survival: obesity, with HR 3.12, and high match exposure intensity, defined as at least 60 matches per career year, with HR 1.71. Sex was not statistically significant, although the female cohort was much smaller and younger.
The authors argue that the excess mortality is likely not simply due to acute injuries, but to a cluster of occupational and structural factors: high physical trauma, chronic pain, drug exposure, cardiovascular risk, mental health burden, repetitive head trauma, worker-status issues, and inadequate regulatory oversight.
Novelty
The paper’s novelty is mainly methodological and cohort-based rather than mechanistic.
First, it is presented as the largest study of survival and longevity in professional wrestlers to date, including both men and women, whereas earlier work was smaller and male-only.
Second, it uses relative survival analysis and life-years difference, rather than relying only on standardised mortality ratios. That is useful because it gives a more interpretable estimate: roughly three years of life lost, rather than only a relative risk.
Third, it links mortality not just to cause-of-death categories, but also to occupational exposure intensity. The association between high annual match load and worse survival is a potentially important occupational-health signal.
Fourth, the paper positions professional wrestling as a useful comparison case against elite sport generally. Many elite athletes live longer than the general population, but wrestlers appear to lose that expected advantage, implying that adverse occupational exposures may outweigh the benefits of fitness.
Critique
The study is useful and timely, but it has important limitations.
The biggest weakness is the reliance on publicly available data sources for death status and cause of death. This is understandable for such a cohort, but it introduces uncertainty. Deaths may be missed, causes may be inaccurately reported, and suicides in particular may be under-ascertained. The authors acknowledge this, but it remains a substantial limitation.
The comparison group is also imperfect. Wrestlers were compared with the US general population, even though not all wrestlers were necessarily US-born or US-resident. This may bias the survival comparison in either direction.
The use of BMI ≥30 as “obesity” is problematic in professional wrestlers. Many wrestlers have unusually high muscle mass, and billed heights and weights may be exaggerated or stylised. This weakens the interpretation that “obesity” per se is driving the hazard ratio. A better study would use body composition, waist circumference, blood pressure, lipid markers, steroid exposure, or cardiac findings.
The exposure variable — matches per career year — is also crude. It does not capture match type, injury severity, head impacts, travel burden, painkiller use, steroid use, sleep disruption, training load, or era-specific differences in working conditions. A wrestler doing 60 low-impact matches and one doing 60 high-risk hardcore or main-event matches are not equivalent.
There is also likely substantial survivor and selection bias. Wrestlers who survive long enough to have long careers may differ from those who leave early. Conversely, the most exposed and successful wrestlers may also be those with the most travel, pressure, drug exposure and injury burden.
The conclusion that the longevity deficit is “predominantly driven” by cardiovascular disease, neurodegenerative disease and suicide is plausible, but the causal wording should be treated carefully. The paper identifies cause-of-death patterns and associations; it cannot prove that wrestling exposures caused those deaths.
Bottom line
This is a valuable occupational epidemiology paper showing that WWE professional wrestlers have worse survival than expected, losing about three life-years on average, with excess concern around cardiovascular disease, overdose/suicide, and neurodegenerative disease. Its strongest contribution is quantifying the problem in a larger cohort with better survival methods. Its main weakness is that it depends on public biographical data and cannot adequately measure the true causal exposures: steroids, painkillers, head trauma, sleep disruption, chronic injury, income insecurity, and mental health.