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The first students of "The Houston Academy of Cannabis Science" received their certificates on Saturday.
They took medicinal and business courses on the plant. Some have been cannabis fans for years, others are recent converts.
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"From an agricultural standpoint, it's a beautiful plant because it can help build our economy. So it's not just a medical thing it actually can help business," said one student.
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"I was the number one person for saying dope is for dopes. They're making me eat my words today," said student Liza DeAnda Garcia.