Achieve a healthier lifestyle -- physically, emotionally, socially and sexually -- with Tunks' AN INVITATION TO HEALTH, 21st EDITION. This new edition covers updated information on such topics as happiness and health, holistic approaches to mental health and anxiety, navigating social media, current dietary guidelines, immunization, safer sex practices, recognizing unhealthy trends in diet and fitness and the dangers associated with vaping. It contains new features on becoming a savvy consumer, cultivating an algorithm that is focused on proven health practices. The book's active learning strategies offer a special focus on healthy living on a budget, taking preventive measures for healthier outcomes and implementing practical strategies that turn small changes into big benefits.