Lifestyle medicine is:

Lifestyle medicine is an evidence-based branch of medicine which has a goal to maintain optimal health and to prevent, treat and reverse chronic illness across all life stages.

The health interventions used in lifestyle medicine include evidence-based behavior strategies, while considering equity and sustainability, to enhance self-management skills for optimizing nutrition, sleep hygiene, stress management, social connection, sexual health and fertility, physical activity and minimizing substance use and environmental exposures.