haʊˈɛvɚ, ðiːz klˈeɪmz wɜː lˈeɪɾɚ dˈiːmd koʊˌɪnsɪdˈɛntəl æz ɐ lˈɑːɹdʒ sˌʌbpəpjʊlˈeɪʃən ʌv ˈɪnfənts ðæt tˈɛstᵻd pˈɑːzᵻtˌɪv fɔːɹ hˌɪstɪdaɪnˈiːmiə wɜː fˈaʊnd tə hæv nˈoːɹməl ˌaɪkjˈuː ænd spˈiːtʃ kˌæɹɪktɚɹˈɪstɪks; æz sˈʌtʃ hˌɪstɪdaɪnˈiːmiə hɐz sˈɪns bˌɪn ɹᵻklˈæsᵻfˌaɪd æz ɐ bᵻnˈaɪn ˈɪnbɔːɹn ˈɛɹɚɹ ʌv mətˈæbəlˌɪzəm.
However, these claims were later deemed coincidental as a large subpopulation of infants that tested positive for histidinemia were found to have normal IQ and speech characteristics; as such histidinemia has since been reclassified as a benign inborn error of metabolism.