Complex sentence: She dedicated her life to working in the public sector; in a number of areas including the Kildare and Cork Boards of Health as a medical officer, and she was assistant medical officer for the Dublin Health Authority.
Split into simpler sentences: She dedicated her life to working in the public sector. Thornton worked in a number of areas including the Kildare and Cork Boards of Health as a medical officer and was assistant medical officer for the Dublin Health Authority.