Which one of the risk factors that influence your health may be the most difficult for you to control as a young teen. 1. do you exercise every day for 60 minutes? 2. have you develop healthy and supportive friendships? 3. do you brush your teeth every night before bed? 4. Do you see a doctor for regular check ups?

Based on the given options, the most difficult risk factor to control as a young teen may be:

2. Developing healthy and supportive friendships.

While all the options are important for maintaining good health, developing healthy and supportive friendships may be more challenging to control as it is dependent on external factors such as finding the right people to connect with. Other factors such as exercising, brushing teeth, and regular check-ups can be directly controlled and influenced by individual habits and actions.

As a young teen, developing healthy and supportive friendships may be the most difficult risk factor to control. While it is important to exercise regularly, maintain good dental hygiene, and visit the doctor for regular check-ups, these actions can be more easily managed through personal discipline and parental guidance. On the other hand, developing friendships is influenced by various factors such as social skills, compatibility, and opportunities for social interaction, which may be less within an individual's direct control.