Basic assessment: Mother's who have higher levels of PCB congeners in their blood samples, delivered babies with significant thymus gland volume at birth. Further monitoring of the babies showed a consistently higher loss of thymus volume.
And the last line from the Abstract is the most concerning to the human community: with special interest to the MCS community:"Implications regarding impaired immunologic maturation or long-term clinical implications remain to be determined."
Once again, it's what we don't know that is most worrying.
Read the full abstract here:
Pre- and Postnatal Polychlorinated Biphenyl Concentrations and Longitudinal Measures of Thymus Volume in Infants
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