Blend family nursing theories with public health theories

Public health nurses must blend family nursing theories with public health theories and frameworks to work both with individual families and populations of families. Explain the following three family social science theories, including the strengths and weakness of each one: Family Systems Theory, Family Developmental and Life Cycle Theory and Bioecological Systems Theory. Which theory is most beneficial to you as a public health nurse in achieving healthy outcomes for families and why? https://www.youtube.com/watch?v=z9w0US_Txp0