The New York Times
Health
by ANAHAD O’CONNOR
Side Stitches? Change Your Posture
For many avid runners, side stitches can be a maddening problem: the cramplike spasms set in suddenly and can ruin a good workout. While no one knows their precise cause, many experts believe a side stitch occurs when the diaphragm — which is vital to breathing — is overworked during a vigorous run and begins to spasm.
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Un poquito de vino rojo? 
