Pattern of brain damage is pervasive in Navy SEALs who died by suicide

Journalism and core findings

• Many commenters praise the article as unusually deep, clear reporting that forced the Navy to confront data it hadn’t seen or acted on.
• Several highlight the shock that SEAL leaders were unaware of lab findings on their own people, seeing this as a failure of information flow and bureaucracy.

Mechanism of blast-related brain injury

• Discussion notes this is distinct from “brain rattling against the skull”; instead, blast waves pass through tissues of different density, causing cavitation and “interface” scarring at fluid/tissue and gray/white matter boundaries.
• Linked scientific papers show structural, functional, and neuroimmune changes in SOF brains, especially around the rostral anterior cingulate cortex, plus a specific pattern of astroglial scarring.
• Multiple participants contrast blast damage with CTE in football and with concussion from impacts, stressing this appears to be a different pathology.

What exposures matter? Artillery, breaching, small arms, diving

• Strong consensus that artillery, recoilless rifles, shoulder‑fired anti‑tank weapons, breaching charges, grenades, and indoor blasts are the main culprits.
• Several veterans describe powerful overpressure from these systems versus small arms; indoor and repeated training exposures are seen as especially dangerous.
• Some argue routine rifle and handgun use is unlikely to cause similar damage; others flag that extreme, high‑volume shooting may still warrant study.
• Diving and breath‑hold training are debated; one paper on apnea‑related oxidative stress is cited, but most think it does not match the specific scarring pattern reported.

PTSD vs physical brain damage and suicide

• Many see this work as reviving the original “shell shock” idea: that a large share of what’s labeled PTSD may have an underlying physical injury.
• Others emphasize it’s not either/or: psychological trauma and organic damage interact, and people often have multiple simultaneous causes (blast, life circumstances, transition to civilian life).
• There is substantial discussion of suicidality as driven by unbearable pain (physical, psychological, or both), not simply “not wanting to live,” and skepticism that hotlines alone address root causes.
• Autonomy and right‑to‑die arguments appear alongside concerns about coercion, misdiagnosis, and inadequate social support.

Military culture, risk, and ethics

• Several comments describe poor blast‑safety culture and a sense that troops are “fuel for the machine,” with SF units heavily exposed and sometimes operating like unaccountable subcultures.
• There’s extended debate on drafts and gender equality, with arguments about biology, demographics, and historical roles of men and women in war.
• Some worry that acknowledging pervasive brain damage will either push people out of SOF or be quietly minimized to preserve “hard power.”

Mitigation ideas

• Suggestions include: better tracking of cumulative blast exposure (like radiation dosimetry), redesigning training, improved head protection, earlier reassignment/retirement, and more use of robots/drones.
• Others are pessimistic that much can be done without reducing training intensity or accepting shorter careers.