Injured mice skipped solo treadmills but ran again just to see peers

– Uses correct subject-verb agreement throughout, Uses articles correctly (“a study,” “an injured mouse,” “the drug”), Maintains consistent verb tense (past tense for study findings, appropriately shifting to present for ongoing implications like “the lab says it plans to look further”), Uses pronouns and homophones correctly (its, it’s, etc.), Uses consistent American spelling, Uses punctuation correctly, including consistent comma style and proper em-dash usage (none present, but commas and appositives are handled well), Capitalizes proper nouns correctly (Andrea Tedeschi, The Ohio State University College of Medicine, Frontiers in Molecular Neuroscience, Haven I. Rodocker), Contains no forbidden relative-to-today time references; the July 7, 2022 date is absolute and appropriately used

**No changes made to headline or body text, the article is clean as submitted.**