Endometriosis affects about one in 10 women, but can take years to be diagnosed and surgery is usually required to confirm a diagnosis.
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A physical bookstore in 2000 took in $100 from a book sale and distributed it roughly like this: about 60% went to labor (store staff, publisher employees, authors), 30% went to capital (owner profit, rent), and 10% covered other costs. The money circulated locally through wages.