معنی کلمه brain injury or mental health

relating to nerves:
neuroscience
A neurotransmitter is a chemical that nerve cells use to communicate with each other and with muscles.

It wasn't just the injury and meds that made Lana's head spin.

Fires at stations or involving injury to.

The doctor suggested as much exercise could be gained by walking without the added risk of injury.

The jury remained out on the effect of Julie's injury on her speech.