Where is the broom poisonous?

Broom and broom can be used as medicine to treat cough, dizziness, backache, leukorrhagia due to women's qi deficiency, malnutrition in children, breast abscess and traumatic injury caused by fatigue. All drugs are toxic, and the seeds, stems and leaves of broom are toxic, which will inhibit the heart and nervous system. Intake of genistein extracted from broom can cause vomiting, diarrhea and even death.