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Underfueling in Runners: 7 Warning Signs and the Fix
Coach Jeff of Runners Connect, drawing on registered dietitian Amber Velasquez, outlines 7 warning signs of underfueling during peak training blocks: fatigue that rest days don't fix, slipping paces, missed or irregular periods in women, lower sex drive in men, getting sick more often, bone stress injuries, and irritability or low mood.
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