In the heart of Bolivia, an Amazonian society is losing its traditional knowledge of the medicinal value of local plants, to the detriment of its children’s health. The Tsimane’ are a small seven thousand-strong population living in a lowland region of Bolivia, who possess tremendous knowledge about the plants they share their forest with.

Their botanical know-how trickles down through the generations and allows them to use the local plant-life for construction, tool-making, medicine and food. These plants account for over half of their household consumption of goods, while those purchased from the outside world make up a meagre three per cent at most.

But globalisation is changing all that. The Tsimane’ are now starting to integrate into societies that place no