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We Highly recommend that you read these articles before running the Brazil135 Ultramarathon or any other ultra for that matter. 

1. Health and Exercise-Related Medical Issues among 1,212 Ultramarathon Runners: Baseline Findings from the Ultrarunners Longitudinal TRAcking (ULTRA) Study
by the US National Institute of Health, an An official website of the United States government

2. A Glimpse Into The Health of Ultramarathon Runners.
by Sanford University

3. A Runners Diet
by John Hopkins Medicine


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