If the kidneys became ill, What would the effects be on the brain?

Question: If the kidneys became ill, What would the effects be on the brain?
- Keywords:
  brain,
  illness,
  kidney
Asked by 869rgah46 to Natalie, Devon on 10 Mar 2017.
- Natalie Doig answered on 10 Mar 2017:
  
  That is a really good question! And I am sure that Devon will know more than me. Anything that causes changes to the body will also have an effect on the brain, and there is a lot more research going on into how our body and brain work together. For example there is research going on into how your gut bacteria has effects on the brain – it may allow us to treat certain diseases better – you can read more about it here:
  http://www.nature.com/news/the-tantalizing-links-between-gut-microbes-and-the-brain-1.18557

Question: If the kidneys became ill, What would the effects be on the brain?