"Habitual Health: Small Changes, Big Impact" is a book that is focused on promoting healthy lifestyle habits by providing practical tips and tricks on how to make small adjustments in daily routines to bring about significant positive changes in overall health. The book covers various health topics ranging from physical exercise, nutrition, mental and emotional health, and gives examples of how small changes in habits can greatly impact overall health and well-being. The book also emphasizes a holistic approach to health, and encourages readers to treat the body as an integrated system, where small changes can lead to a big impact on health.