Markham Heid
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Markham Heid

Markham Heid writes about health, nutrition, fitness, and lifestyle topics for TIME.com and other national magazines and media outlets. A cyclist and (one-time) triathlete, he lives in Philadelphia. ​

Markham Heid

Markham Heid writes about health, nutrition, fitness, and lifestyle topics for TIME.com and other national magazines and media outlets. A cyclist and (one-time) triathlete, he lives in Philadelphia. ​

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