Brain- Pamphlett and ASD 6 Levels on mercury Higher levels of mercury were Locus Kum Jew [33] Controls 11 in the locus found in the controls ceruleus ceruleus 16-48 y ASD= autism spectrum disorders; y= of age 3. Studies that Show that Human Tissue Mercury Levels are Associated with ASD Symptom Severity. Body Tissue Authors and N Purpose of Study Findings Journal Age Hair Holmes et al. [34] ASD 94 Relationship between Mercury levels Int J Toxicol Controls 45 autism and hair mercury inversely levels with correlated 1-2 y symptom severity Hair and [35] ASD 45 Lead and mercury in hair The elevation was nails Biol Trace Elem Controls 50 and nails autism vs. much pronounced Res controls in LFA group 4-12 y subjects when compared among autistic groups MFA and HFA Hair Elsheshtawy et al. ASD 32 Investigated the Positive [37] relationship between autism correlation of Controls 32 Middle East and mercury, lead, copper, CARS scores with Current Psychiatry zinc mercury from hair Children samples Hair Geier et al. [38] ASD 18 Hair metal Increasing hair Int J Environ Res concentrations and ASD mercury Public Health 1-6 y severity concentrations
Brain- Locus ceruleus Pamphlett and Kum Jew [33] ASD 6 Controls 11 16-48 y Levels on mercury in the locus ceruleus Higher levels of mercury were found in the controls ASD= autism spectrum disorders; y= of age 3. Studies that Show that Human Tissue Mercury Levels are Associated with ASD Symptom Severity. Body Tissue Authors and Journal N Age Purpose of Study Findings Hair Holmes et al. [34] Int J Toxicol ASD 94 Controls 45 1-2 y Relationship between autism and hair mercury levels Mercury levels inversely correlated with symptom severity Hair and nails [35] Biol Trace Elem Res ASD 45 Controls 50 4-12 y Lead and mercury in hair and nails autism vs. controls The elevation was much pronounced in LFA group subjects when compared among autistic groups MFA and HFA Hair Elsheshtawy et al. [37] Middle East Current Psychiatry ASD 32 Controls 32 Children Investigated the relationship between autism and mercury, lead, copper, zinc Positive correlation of CARS scores with mercury from hair samples Hair Geier et al. [38] Int J Environ Res Public Health ASD 18 1-6 y Hair metal concentrations and ASD severity Increasing hair mercury concentrations
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