Complex sentence: Her love for writing began at the age of 12, encouraged by her teacher who noticed her talent as a writer in grade school, however, it was not until her years in medical college that her interest in writing was sparked once again.
Split into simpler sentences: Her love for writing began at the age of 12, encouraged by her teacher who noticed her talent as a writer in grade school. However, it was not until her years in medical college that her interest in writing was sparked once again.