ðiːz stˈʌdiz ˈɔːlsoʊ fˈaʊnd ðæt sˌʌm ˌɪndᵻvˈɪdʒuːəlz hæv ɐ sˌɛnsɪtˈɪvᵻɾi tə dʒˈuːəlwˌiːd wˌɪtʃ kæn kˈɔːz ɐ mˈoːɹ sᵻvˈɪɹ ɹˈæʃ.
These studies also found that some individuals have a sensitivity to jewelweed which can cause a more severe rash.