I dont know much about the grey matter nodules except that the main side effect is seizures. My son is 4 and a half and thus far has not suffered any seizures. I have read on the internet that the seizures usually start in the second decade of life. Now I constantly live in fear of him starting to fit.
1 Economic inefficiency-refers to a situation where we could be doing a better job, i.e., attaining our goals at lower cost. 2  It is the opposite of economic efficiency.
(November 2007) Immunodeficiency (or immune deficiency) is a state in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. Most cases of immunodeficiency are acquired (secondary) due to extrinsic factors that affect the patient's immune system.