Compositions and Methods for Diagnosing Susceptibility to Autism Spectrum Disorder (ASD), Reducing the Likelihood of Developing ASD, and/or Treating ASD

A method for treating Autism Spectrum Disorder (ASD) or for reducing the likelihood of a subject developing ASD, the method comprising:

• a) testing the subject for risk markers of ASD, or, if the subject is a fetus of a pregnant woman, testing the pregnant woman for the risk markers;
• and,
• b) if one or more of the risk markers is detected, treating the subject and/or the pregnant woman with a therapeutically-effective amount of a composition comprising an antibiotic or an antiviral;
• c) further treating the subject, or the pregnant woman, by administering to the subject or pregnant woman, a therapeutically-effective amount of:
• (i) an antioxidant;
• (ii) an anti-inflammatory;
• (iii) Astragalus root extract;
• and
• (iv) L-lysine;
• wherein the method further comprises testing the subject to assess behavioral performance following treatments steps (b) and (c).