An unhealthy lifestyle is characterized by poor dietary choices, lack of physical activity, and harmful habits. People may consume excessive amounts of processed foods, sugary drinks, and unhealthy fats, which can lead to weight gain and various health issues. Additionally, a sedentary lifestyle, where individuals spend long hours sitting and do not engage in regular exercise, contributes to poor physical fitness. Moreover, unhealthy habits such as smoking and excessive alcohol consumption can further deteriorate health. These behaviors increase the risk of chronic diseases like heart disease, diabetes, and cancer. Adopting healthier habits is essential for improving overall well-being and longevity.