Keep down inflammation
One of the conditions your immune system dislikes more than most is on-going low level inflammation. This type of inflammation can be one of the triggers/starting point for nearly all disease including cancer and auto-immune diseases.
So, if there are inflammatory processes going on in your body and your immune system is weakened as a result, you will be much more prone to disease.
I will use the Bioresonance equipment to test you for the signs of on-going chronic inflammation.
The next step is to try and assess where the inflammation is coming from. This is usually revealed by some of the further testing and information relating to your history.