One treatment method is not necessarily appropriate for everyone. The best programs develop an individual treatment plan based on a thorough assessment of the individual's problems. These plans may combine a variety of methods tailored to address each person's specific needs and may include behavioral therapy (such as counseling, cognitive therapy or psychotherapy), medications, or a combination. Referrals to other medical, psychological and social services may also be crucial components of treatment for many people. Furthermore, treatment for teens varies depending on the child's age, maturity and family/peer environment, and relies more heavily than adult treatment on family involvement during the recovery process. "[They] must be approached differently than adults because of their unique developmental issues, differences in their values and belief systems, and environmental considerations (e.g., strong peer influences)."