In The Politics of Autism, I discuss various ideas about what causes the condition.
After careful statistical analyses of the results, the researchers identified one compound in cord blood that may have strong implications for ASD severity, namely 11,12- dihydroxyeicosatrienoic acids (diHETrE), a dihydroxy fatty acid derived from arachidonic acid.
Here is a very long. growing, and probably incomplete list of other correlates, risk factors, and possible causes that have been the subject of serious studies:
- Inflammatory bowel disease;
- Pesticides;
- Air pollution and proximity to freeways;
- Maternal thyroid issues;
- Autoimmune disorders;
- Induced labor;
- Preterm birth;
- Fever;
- Birth by cesarean section;
- Anesthesia during cesarean sections;
- Maternal and paternal obesity;
- Maternal diabetes;
- Maternal and paternal age;
- Grandparental age;
- Maternal post-traumatic stress disorder;
- Maternal anorexia;
- Smoking during pregnancy;
- Cannabis use during pregnancy;
- Antidepressant use during pregnancy;
- Polycystic ovary syndrome;
- Infant opioid withdrawal;
- Zinc deficiency;
- Sulfate deficiency;
- Processed foods;
- Maternal occupational exposure to solvents;
- Congenital heart disease;
- Insufficient placental allopregnanolone.
- Estrogen in the womb;
- Morning sickness;
- Paternal family history;
- Parental preterm birth;
- Antiseizure meds
- Location of forebears
- Lithium
- Aspartame
- BPA
- Brain inflammation
- Maternal asthma
- Infertility
- Ultraprocessed foods
- Household chemicals
- Parental psychiatric disorders
- Fluoride