Gratitude can lead to increased brain activity, particularly in the reward pathways, resulting in the release of neurotransmitters like serotonin and dopamine, which contribute to feelings of happiness and improved health. Dr. Addison Killeen emphasizes the importance of incorporating positive thinking and gratitude on a daily basis to enhance various aspects of one’s life, including relationships, health, work performance, leadership, and the pursuit of goals. He offers one practical and simple tip to start the day by asking others what they are thankful for during a morning huddle to boost their mood and well-being.