Mongabay.com is considered a leading source of information on tropical forests by some of the world's top ecologists and conservationists. TROPICAL RAINFORESTS: Saving What Remains
Plant-derived medications
Plant-derived medications. (Photo by R. Butler)

MEDICINAL DRUGS / RAINFOREST CURES

By Rhett Butler   |  Last updated July 22, 2007

(continued)

The rainforest may someday provide the cure for AIDS, pancreatic cancer, antibiotic-resistant staph infections, lassa fever, or Alzheimer's disease, if given the chance to do so. Unfortunately, as primary forest cover is diminished by 1-2 percent every year, it is projected that 20-25 percent of the world's plant species will be extinct by the year 2015. Perhaps in some remote Andean valley, slated for destruction today, lives a rare orchid which has developed an anti-viral chemical that kills HIV, halts cancer, or slows aging. In addition, the shamans who provide much of the insight into identifying these plants and their uses, are disappearing at an even faster rate as their villages seek a more Western lifestyle. These shamans are generally elders and when they die, their unique knowledge of traditional uses of rainforest plants will die with them.

Some organizations are trying to prevent the loss of medicinal knowledge when indigenous elders die. The Terra Nova Rainforest Reserve is the first ethnomedicinal forest reserve designed to ensure that medicinal plants will be available for local use. The reserve encourages the use of such plants and has also implemented a program teaching youths about uses of medicinal plants so this knowledge will not die, but be passed on to future generations and researchers.

National botanical gardens, like those of Missouri and New York, are playing an important role in propagating medicinal plants that are either threatened in the wild or so rare that collection cannot satisfy demand. Several gardens have propagated such medicinal plants and freely distributed seedlings to peasants who can integrate them into their traditional food crops. The plants can provide substantially more cash than many traditional crops like bananas, coffee, and cocoa.

Animals as an inspiration for drugs


Animals also provide compounds useful to humans as medicinal drugs. Both leeches and vampire bats have powerful anticoagulants they use in feeding on their prey. From the saliva of the leech comes hirudin, which is now used to dissolve blood clots in humans. The vampire bat has a salival substance that can be used to prevent heart attacks. The slimy secretions of frogs are used to treat infections, mental disorders, and even HIV, while scientists hope that one day blood from the ubiquitous (in the western U.S.) western fence lizard (more popularly known as the "blue-belly") will help prevent or cure Lyme disease. ABT-594 is an experimental painkiller derived from the skin secretions of Epipedobates tricolor, a colorful poison arrow frog, and crocodile blood is being examined for its anti-HIV properties.



Suggested reading
  • Natural Capitalism: Creating the Next Industrial Revolution by Paul Hawken, Amory Lovins, and L. Hunter Lovins
  • Cradle to Cradle: Remaking the Way We Make Things by William McDonough and Michael Braungart
  • Consilience : The Unity of Knowledge by Edward O. Wilson
  • Biomimicry : Innovation Inspired by Nature by Janine M. Benyus
  • The Fortune at the Bottom of the Pyramid: Eradicating Poverty Through Profits by C. K. Prahalad
  • Medicine Quest by Mark J. Plotkin
  • The Ecology of Commerce by Paul Hawken




  • Review questions:

    • Why are plants a good potential source for natural pesticides?

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    Natural pesticides




    Other pages in this section:

    Solutions Introduction
    Sustainable Forest Products
    Large-scale Forest Products
    Medicinal Drugs
    Logging
    Logging (con't)
    Oil
    Conservation Priorities
    Reserve Size & Valuation
    Organization
    Intergovernmental Institutions
    Communication, Education
    Indigenous people
    - - - -
    References (1)
    References (2)
    References (3)
    References (4)
    References (5)
    Eco-tourism
    Foods & Genetic Diversity
    Medicinal Drugs & Pesticides
    Logging (con't)
    Cattle
    Increasing Productivity
    Types of Reserves
    Funding
    Developing nations
    NGOs
    International Organizations
    Conclusion

    - - - -
    Kids version of this section
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    - Education
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    - Sustainable development
    - Parks
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    - Ecotourism
    - What you can do


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    Copyright Rhett Butler 1994-2013

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