Pictures of the San Francisco Conservatory of Flowers in Golden Gate Park
The San Francisco Conservatory of Flowers in Golden Gate Park. All photos.
Plants have long been used by humans for treating a wide range of ills from childhood leukemia to hangovers. Indeed, many of the pharmaceuticals currently available to Western doctors have a long history of use as herbal remedies including quinine, opium, aspirin, and coca.
The use of plants for medicinal purposes is especially prevalent among indigenous peoples -- the people of Southeast Asian forests used 6,500 species, while Northwest Amazonian forest dwellers used 1300 species for medicinal purposes. Today the relationship between plants and people is increasingly being explored by pharmacologists in the development of new drugs. Ethnobotanists, the scientists who study these traditional uses of plants, are working with native healers and shamans in identifying prospects for drug development. The yield from these efforts can be quite good -- a study in Samoa found that 86% of the plants used by local healers yielded biological activity in humans -- and the potential from such collaboration is huge with approximately one half of the anti-cancer drugs developed since the 1960s having been derived from plants. continued...
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