Various chronic diseases and disorders can affect our immune, gastrointestinal, and urinary systems, as described in Chapters 14, 15 and 16 of your course text.  In your initial post:

• Briefly describe the normal function of these three systems and associated organs.
• Choose and briefly describe one chronic disease or disorder for each of the three systems and explain how the diseases/disorders alter the normal function.
• Examine potential causes for the disease or disorder and list signs and symptoms that indicate the disease has developed.
• Analyze actions people can take to reduce their risk of developing the chronic disease or disorder.  Briefly explain how these actions would impact the environment.