References 77Refs [15,72,73]. All of these chemicals are found in fragrances commonly used
today. We have shown that even at femtomolar concentrations, fragrances with
these chemicals can be mutagenic and carcinogenic to human fetal NBC [8–
10]. We will discuss the roles of these two neurohormones in detail in Chapter 4.
We propose that a focus limited to proposed genetic causes to ASD may not
be fruitful and or productive in solving the origin of the autism problem. This
is an alarmingly growing problem – not only because of its public percep-
tion – but because of apparent increasing incidence based on diagnostic data.
We argue that the “spectrum” is the result of interference in normal fetal brain
development from the very early stages to 2 years after birth.
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