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.
1. Insufficiency of amount or supply; shortage: a scarcity of food that was caused by drought. 2. Rarity of appearance or occurrence: antiques that are valued for their scarcity.