Blood clots can be both good and bad. In some cases, it helps repair the damage caused to blood vessels, preventing one from losing too much blood in certain instances, such as when you’re injured or cut.

from Times of India https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/deep-vein-thrombosis-symptoms-signs-of-blood-clot-which-can-show-up-in-your-legs/photostory/87486262.cms