Antonyms of the term "health behaviors" refer to actions or practices that are detrimental to one's physical, mental or social well-being. Some common antonyms for health behaviors include poor dietary habits, lack of exercise, substance abuse, smoking, reckless driving, unsafe sexual practices, and insufficient sleep. Engaging in these types of behaviors can lead to numerous health complications such as obesity, heart disease, stroke, diabetes, mental health disorders, addiction, and even death. It is essential to embrace healthy behaviors and avoid the antonyms if one is to maintain a healthy lifestyle and preserve their quality of life.