There are multiple factors that impact bone health, including birth weight, nutrition, medications for seizures and/or reflux, genetics, and physical activity. Targeted exercise to improve bone health in childhood can be sustained into adulthood, and childhood is the best time to promote bone health.
It is important to understand the brain injury for each individual person, because they can be really different. Where the injury is can give us important clues to what motor problems that individual will have. The time you have the biggest risk to having a stroke is as a baby, not as an adult so it is important to understand what may be happening in the infants brain.