Shelby Houlihan, an American runner, tested positive for a banned steroid and blamed a burrito for what she claimed is a false..
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Shelby Houlihan media coverage
Shelby Houlihan was poised to compete for a spot at the Games despite a doping ban that she blamed on burrito meat. Athletes..
On Tuesday, runner Shelby Houlihan announced that she had been banned for four years after testing positive for a steroid called..