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Re:Ask HN: How has exercise changed your outlook on life? by marchingtomars on Wednesday December 01, 2021 @08:39PM (#29411494)
Be careful not to overdo it resulting in injury.

Avoid dangerous things that stress poor parts of the body, such as the knee's ligaments.

Some things never heal back once injured, such as most of the meniscus-- only a small part of it has blood flow. Probably similar with other cartilage body parts.

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