Deadly nightshade (Atropa belladonna) is a toxic plant: its compounds, poisoning symptoms, risk groups, contraindications and what to do after ingestion.

Codonopsis pilosula, a Chinese medicine root sold as “dang shen”: traditional uses, phytochemistry, preparation, contraindications and diabetes precautions.

Noni (Morinda citrifolia): traditional uses, compounds, preparation, potassium and liver warnings, drug interactions and the sales ban in Brazil.

Chamaelirium luteum: historical gynecological uses, steroidal saponins, pregnancy contraindication, emetic effect and conservation of this North American root.

Camphor (Cinnamomum camphora): traditional external uses, chemotypes, phytochemical profile, contraindications and toxicity warnings, especially for children.