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In this segment, Dr. John A. King explains how his personal recovery from PTSD was aided by the "7 plus or minus 2" principle originally described by Miller in the early 1950s. The principle states that the mind can focus on roughly seven items, with a variance of two. King argues that a negative focus reduces this capacity to about five items, whereas a positive outlook expands it to nine items. By adopting a positive mindset—a theme he expands upon in his book Deal With It—individuals can nearly double their problem‑solving capacity, providing scientifically backed tools for improving life and managing PTSD symptoms.

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