Lifetime Costs: The typical total cost for a new septic system over a 20 year period is $6,300 to $13,000 for trenches and mounds, or $13,500 to $32,000 for alternative treatment systems. For multi-household systems, typical trench or mound systems range from $18,500 to $25,000.
Or perhaps because they only looked at children with autism in the Amish community. I wonder if they looked into how many Amish get things like chickenpox, smallpox, mumps, diphtheria, measles, rubella, whooping cough, shingles, the flu, HPV, rotavirus, etc etc.
The oral infection, called thrush, frequently occurs in infants and toddlers. If Candida infections become chronic or occur in the mouth of older children, they may be a sign of an immune deficiency, such as human immunodeficiency virus (HIV) infection.