Concussion linked with increased risk of suicide

A knock to the head is associated with long-term neuropsychiatric illness, study finds

People diagnosed with a concussion have double the risk of a later suicide compared with those who haven’t experienced such a head injury, a US and Canadian study suggests.


The absolute risk, however, is modest.

A systematic review and meta-analysis of 17 studies — including more than 700,000 individuals diagnosed with concussion and/or mild traumatic brain injury and 6.2 million unaffected people — found that experiencing a knock to the head was significantly associated with a higher risk