Some common barriers to maintaining a healthy lifestyle include a lack of time, motivation, and knowledge about nutrition and exercise. Stressful life events or poor support systems can also hinder progress, making it difficult to prioritize health. Financial constraints might limit access to healthy foods or gym memberships. Additionally, environmental factors, such as living in a food desert or having limited options for physical activity, can further complicate the effort to maintain a healthy lifestyle. Addressing these barriers often requires a multifaceted approach that includes education, social support, and practical solutions.