CONCLUSION: Children with ADHD exhibit significantly lower serum VD levels and higher Pb levels (only in boys), suggesting VD deficiency and sex-specific Pb susceptibility may be key factors associated with ADHD.
CONCLUSION: Children with ADHD exhibit significantly lower serum VD levels and higher Pb levels (only in boys), suggesting VD deficiency and sex-specific Pb susceptibility may be key factors associated with ADHD.