Female x-ald carriers do often get neurological symptoms. The x-ald gene may lead to a metabolic defect in the metabolism of very long chain fatty acids (VLCFA).
There are ways to get the blood values of VLCFA normalized. Getting the blood values normalized, or lowered, may be preventive.
Keeping the VLCFA within the normal range may prevent these fatty acids from building up in the body. That may be positive.
Being a clinical nutritionist myself knowing the fact that correcting metabolic defects by dietary adjustments if possible,
is unharmful and positive. Also it is an obvious thing to do. And as with any other metabolic defect that may be corrected with diet, it`s something that is done everyday as a part of the daily routines.