When Doris Brett's fit and healthy 59-year-old husband Martin had a stroke, they were unexpectedly thrown into a journey of discovery. What began as a minor stroke turned into a golf-ball sized blood clot on his brain, followed by a life-threatening heart condition. Later, Doris learned that she carried the potentially deadly BRCA1 genetic mutation. Due largely to Doris' research into brain plasticity and the neurotherapy techniques she implemented,...