Eli5: What causes runners cramps? 677 viewsJanuary 3, 2024 Question88.38K May 11, 2020 0 Comments Basically after running or skipping after eating or drinking too much I get a piercing side cramp, just wondering what its caused by! In: Biology 1 Answer ActiveNewestOldest Anonymous Posted May 11, 2020 0 Comments When your body lacks oxygen, your body respires differently. Respiration with a lack of oxygen produces lactic acid. The lactic acid build up is what causes runners cramp. Register or Login
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