The antonyms for the term "brain injuries" can be healthy brain, sound mind, cognitive ability, and mental fitness. Among these antonyms, healthy brain denotes a brain that is free from any physical, chemical, or biological damage. Sound mind, on the other hand, represents a state of mental health where individuals possess sound and healthy cognitive, emotional, and social abilities. Cognitive ability implies a robust capacity for perceiving, reasoning, and learning, whereas mental fitness denotes the ability to maintain emotional balance and cope with stress. By using these antonyms in conjunction with the term "brain injuries", it is possible to emphasize the importance of maintaining good brain health and preventing injuries to one's cognitive abilities.