Complex sentence: She began investigating the benefits of herbal medicine in 1965, and continued to study herbalism and the issues surrounding women's health independently with such herbalists as Juliette de Bairacli Levy.
Split into simpler sentences: She began investigating the benefits of herbal medicine in 1965. She continued to study herbalism and the issues surrounding women's health independently with such herbalists as Juliette de Bairacli Levy.