Resumo de Pre Historic Medicine

In their research into alimentation, primitive human beings have tried many species of plants. Those that were pleasant to the palate were used for food, but those plants with toxic effects or that were unpleasant to the palate were avoided and used against their enemies. Even other plants have produced physiological effects, such as perspiration, defecation, healing and hallucations. In their research into alimentation, primitive human beings have tried many species of plants. Those that were pleasant to the palate were used for food, but those plants with toxic effects or that were unpleasant to the palate were avoided and used against their enemies. Even other plants have produced physiological effects, such as perspiration, defecation, healing and hallucations. Others were saved for medical devination.
Over the course of millions of years, people have learned to use a wide variety of plants as medicines for diffrent ailments. The commonly held belief that in modern medicine all modern medicines are the product of complex synthetic chemistries is an error. More than 120 current prescription drugs are obtained from the highest plants, with in excess of $12 billion sales annually in the United States alone and approximately 25% of all prescriptions contain one or more active ingredients from plants. Effectively, the drug companies that once avoided the search of naturally-produced drugs are beginning to study the possibilities of this resource. Around to the world, numerous companies have been formed in order to explore the potential of plants as modern medicines. Many names can be cited of the plants, which are in use from aboriginal times, that succeeded to be accepted by modern medicine. One can serve as an example: the Jaborandi of Pilocarpus, a tree species from the northeastern Brazilian forest that is the source of pilocarpine compound, a derivative that has been used to reduce the interoculary pressure of the eye deriving from glaucoma. In medicine the leaves were originally used to increase salivation and to cause inflation. The leaves were introduced in Europe in 1873 and from 1877 onwards, the pilocarpine compound, isolated from the leaves, has been employed in ophtalmology. More recently the drug moreover has been approved by the food & Drug Administration of the United States, for the treatment of dry-mouth syndrome (a secondary effect of cancer treatment and of aging diseases). The recent domestication of Pilocarpus species as cultivated plants is taking the pressure off of the wild sources. Fully one third of the population has a certain interest in herbal remedies and alternative therapies. Studies into plant therapy have been initiated. For example, the cactus of the fig of Inidan (ficus indica) has been studied for use in patients and studies have been promising...

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