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

Jurubeba (Solanum paniculatum): traditional uses, tea and tincture preparation, liver-supporting properties, and contraindications of this Brazilian plant.

Bell pepper (Capsicum annuum): traditional uses, preparation methods, phytochemical profile, and contraindications for internal and topical use.

Ashwagandha (Withania somnifera): Ayurvedic adaptogen for stress and sleep; see traditional uses, preparation, dosages, and contraindications.

Goji berry (Lycium barbarum): antioxidant fruit from Chinese medicine. See traditional uses, tea preparation, and contraindications for daily intake.