dʒˈɑːn bɪɡˈæn ɛŋkˈaʊntɚɹɪŋ hˈɛlθ pɹˈɑːbləmz, pɹˈɑːbləmz wˌɪtʃ mˌeɪd ɪt dˈɪfɪkəlt tə pɚsˈuː hɪz ɚɹˈɪdʒɪnəl kɚɹˈɪɹ.
John began encountering health problems, problems which made it difficult to pursue his original career.