losing your balance frequently http://www.healthline.com/health/head-injury#Description1 http://www.healthline.com/health/head-injury#Description1 http://www.healthline.com/health/head-injury#Description1 http://www.healthline.com/health/head-injury#Description1 Head Injury: Types, Causes & Symptoms - Healthline losing your balance frequently http://www.healthline.com/health/head-injury#Description1 http://www.healthline.com/health/head-injury#Description1 http://www.healthline.com/health/head-injury#Description1