Neuroblastoma review finds specific exposure associations, with prevention still uncertain
Maternal workplace pesticide exposure before conception or during pregnancy was associated with higher childhood neuroblastoma risk. The observational evidence does not establish that changing an exposure prevents the tumor.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Maternal workplace pesticide exposure before or during pregnancy and birthweight above 4,000 g were associated with higher neuroblastoma risk. Cesarean delivery also showed an association. Breastfeeding for at least 6 months was associated with lower risk, and parental smoking had a weak association. These observational results cannot establish causes or show that changing an exposure prevents this tumor.
The abstract does not fully specify exposure reference groups or define the pooled effect-size scale. Without those details, its numerical estimates are difficult to interpret, and the observational associations cannot establish causation.
Exposure categories matter
The pesticide finding concerned mothers exposed through work before conception or while pregnant. Associations were not detected for fathers' workplace exposure or children's exposure after birth. Those results concern different settings and times, so they should not become a general pesticide claim.
Other results remain open
The review did not detect associations for several other birth characteristics, parental age, maternal alcohol consumption or vitamin and folic acid intake during pregnancy. These results do not prove that effects are absent; the abstract provides limited detail for assessing them.
The original publication
Risk factors of neuroblastoma: a systematic review and meta-analysis.
Onyije FM, Dolatkhah R, Olsson A et al.
Front Public Health · 2025
- PubMed ID
- 40636854
- Record checked
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