Baseline study (carbon) eligibility criteria
| Study name | Inclusion criteria | Exclusion criteria |
| Baseline study (CArBON) | Competitive motorsport participants. Mental capacity to consent to study participation. | Age <16 years. Ongoing injuries so severe as to preclude study enrolment. Recent (within the last 4 months) or current involvement in a research study involving administration of trial medication. For MRI only: metal implants or exposure to metal foreign objects (such as welding), claustrophobia. Prior severe or moderate traumatic brain injury, diagnosis of mild traumatic brain injury or concussion within the last 6 months, symptoms of head injury at time of enrolment. |