Final answer:
Relapse into negative health behavior can occur due to various reasons, including being in the initial stages of behavior change, lacking coping mechanisms, insufficient social support, high stress, and depression.
Step-by-step explanation:
Factors that contribute to the possibility of relapse into a negative health behavior include being in the early stages of change, lacking effective coping skills, experiencing a poor support system, dealing with a high degree of personal stress, and being depressed. These various factors can influence an individual's persistence in maintaining positive health behavior changes, especially in the face of challenges.
Being in the early stages of change suggests that one's commitment to a new healthy behavior may not be fully solidified, making relapse more possible. Inadequate development of coping skills can leave individuals ill-equipped to handle the pressures that once led to the negative behavior. A poor support system may fail to provide the necessary encouragement and reinforcement for change. High levels of stress and depression can act as additional burdens that overwhelm an individual's motivation and ability to sustain new, healthier habits.