This video presents a humanistic vision of the rational use of medicine plants. Its purpose is to educate the public about this aspect of ancient and modern medicine which is often ignored, frequently ridiculed and generally misunderstood.

Algae were used for a very long time as food or fertilizer.

"The Yew tree, tree of life, tree of death" treats therapeutic virtues of the yew tree, and the stakes of conservation of biodiversity linked to its intensive use for the manufacture of anti-cancerous medicaments.