The book emphasizes the importance of maintaining a healthy lifestyle to promote brain health, cognition, and overall wellbeing. It highlights positive measures to achieve these goals while cautioning against harmful behaviours that negatively impact physical and mental health. Excessive alcohol consumption not only poses immediate risks, but also contributes to long-term health issues such as liver disease and cognitive decline. Smoking and vaping present serious health hazards, affecting respiratory health, brain health, and cognitive function, particularly in adolescents. Substances of abuse, including cannabis and cocaine, have detrimental effects on brain health, cognition, and mental wellbeing, especially in vulnerable populations. The book underscores the need for informed choices and avoidance of harmful substances to preserve cognitive function and promote mental resilience. By prioritizing a lifestyle that promotes brain health, individuals can enhance wellbeing, paving the way for a living a fuller life enriched by optimal brain function.