 neurofeedback, and mental health. He's also an associate professor in the departments of psychiatry and biobehavioral sciences and rheumatology at UCLA's Geffen School of Medicine. Good morning, Dr. Sidoroff. Thanks so much for joining us. It's really good to be with you for the first time. Well, good morning to you, and it's a pleasure to be here. Professor, why do people have such a difficulty managing their stress?