Herb books crossed empires long before clinical trials
Traditional medicine names healing knowledge rooted in cultural belief—Ayurveda, Chinese medicine, Unani, and countless folk systems. A 2024 WHO survey found two-thirds of countries report at least 40% of people using traditional, complementary, or integrative care. Evidence and safety still lag demand.
Written herbal study reaches back some five thousand years to Sumerian plant remedies; Egypt's Ebers papyrus around 1552 BC lists folk and magical treatments. Ayurvedic herbs were described by Charaka and Sushruta in the first millennium BC. China's Shennong Bencaojing was compiled in the Han and later expanded. Greek and Roman compilers—Hippocrates, Theophrastus, Dioscorides, Galen, Pliny, Celsus—fed European theory; Dioscorides' De Materia Medica was endlessly translated and annotated. Avicenna's Canon of Medicine became a pharmacopoeia that introduced clinical trials, ruled European faculties into the seventeenth century after a twelfth-century Latin translation, and underpins Unani medicine.
Knowledge moved as compilations, not pure originals: Hieronymus Bock's 1546 Kreuter Buch became Dutch and English herbals culminating in John Gerard's Herball, which Puritans carried to America. In New Spain, Martín de la Cruz's Nahuatl herbal became the 1552 Libellus given to Charles V; Francisco Hernández gathered Mexican ethnomedicine in the 1570s and reframed it in European hot–cold categories. Colonial America saw women healers using herbs, cupping, and leeches; Native American plant medicine supplied remedies later linked to modern drugs such as digitalis from foxglove for dropsy. Forty-four substances named by Dioscorides still appear in official European pharmacopoeias.
The old claim that 80% of Asians and Africans rely on traditional medicine for primary care is now considered high; WHO still backs careful integration while warning of risks and calling for more safety and efficacy research. Critics cite weak evidence, unregulated remedies, and wildlife trade that pressures slow lorises, sharks, elephants, and pangolins. Many alternative treatments are described as statistically indistinguishable from placebo. Indigenous healing often travels orally through shamans or midwives, legitimized by healer belief, results, and community trust. In December 2025 WHO launched a strategic advisory group in India to use modern science to reassess integration.
Source: Traditional medicine
