348405
History For over 500 years the Indigenous healers of Central America have used the whole leaf and bark of S. sympetala and S. gilgii to treat fever , ulcer , dysentery and what they call “ susto ” – a condition that results in unease , worry , withdrawal , sadness , weight loss and other symptoms that are consistent with a folk description of modern day general anxiety disorders .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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