It turned out to be extreme chemical sensitivity that had caused many symptoms -
loss of vision, balance, slurred speech, severe wieght
loss,
loss of
memory long term and severe short term memory problems, tingling in hands and feet, numbness in face and head, blurred vision, heavy limbs, over heating, twitches, seizures activity, muscle pain and fatigue, concentration, loss my ability to form words and identify objects and on and on.