Ephedra is a genus of shrubs native to arid regions that produces alkaloids like ephedrine and pseudoephedrine ... is rare due to the fragile nature of plant remains. In a study, "Late Pleistocene ...
Ironically, ephedra supplements vastly outnumber conventional prescription and nonprescription medications containing (-)-ephedrine, (+)-pseudoephedrine, or racemic norephedrine (phenylpropanolamine).
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