Dr Richard Horowitz is one of the most prominant Lyme doctors in the US and specialises in diagnosing and treating Lyme disease along with other chronicle invisible illnesses.

Lyme is a spreading epidemic and he numbers are rising. Lyme-MSIDS is imitating diseases like CFS, fibromyalgia, MS, autoimmune and psychiatric diseases.

In his latest book “How Can I Get Better” which is available here, it has been fully updated with developments over the last 5 years and sets out a 7 point action plan for dealing with Lyme or Chronic illness: 
1) Symptoms drive diagnosis and treatment
2) Lower inflammation
3) Detoxify, Detoxify, Detoxify
4) Repair the damage
5) Provide internal balance
6) Master the big 3 – Sleep, Food, Exercise
7) Heal your emotional rules
He emphasizes in his book that whilst everyone needs an individual treatment plan based on their symptoms, there are a set of common themes shared by all chronic illnesses. 
He states that inflammation is the root cause of all chronic illness.

His book applies to both Lyme and chronic illness. If you are searching for a root cause of your chronic illness it is well worth a read.