Study finds bad driving may have genetic basis . Ordinarily , when a person performs a task , a protein called brain-derived neurotrophic factor ( BDNF ) is secreted to the area of the brain that is associated with that activity . People with certain gene variant performed worse on driving test that those without it . Score: 6
Study finds bad driving may have genetic basis . People with certain gene variant performed worse on driving test that those without it . Score: 6