Complex sentence: Practitioners of Chinese medicine, on the other hand, contend that ice is only useful for 24hours or so after acute trauma, after which time ice becomes counterproductive to healing, as cold inhibits local blood circulation.
Split into simpler sentences: Practitioners of Chinese medicine, on the other hand, contend that ice is only useful for 24hours or so after acute trauma. After which time ice becomes counterproductive to healing, as cold inhibits local blood circulation.