Chapter 15 HDEV really shifts the focus to physical developmentand highlights many important changes that impact our perception ofus and how we interact with the world around us. Here, I'd like toconsider how psychology and health interact. What harm can stresspotentially do to the immune system of the middle-aged adult? Whattypes environmental and social factors contribute to an increase instress during this period in life? What do you believe to be thestate of health and physical well-being of middle aged adults inthe United States? Please make sure to provide support for yourperspective. How does the text suggest that people can maintaingood health during middle adulthood? What are some of the majorfactors that seem to contribute to poor health during this stage inlife?