The Australian Department of Defence announced a couple of months ago that it had commissioned a major Army study into how repeated low-level blast exposure may affect soldiers’ long-term cognitive function. The Daily Telegraph (Sydney) now has a paywalled story that:

Secret report warns ADF weapons risk brain injuries to troops
Secret Defence documents have revealed Australia’s military was warned 15 years ago that firing ADF weapons posed a brain damage risk to its personnel, with no program yet established.

nn