how do livers grow back but can’t repair themselves after damaging them ?
In: Biology
They can repair themselves after damaging them. Your liver has an amazing ability to repair itself and regenerate. Unfortunately this ability isn’t limitless. If it is repeatedly damaged (e.g. by alcohol) it will heal itself but over time will develop scar tissue. After this has happened many times the liver will become fibrosed and a bit stiff and it if becomes further damaged it will eventually become cirrhotic. At this point there is usually chronic liver failure and the usual symptoms will appear (e.g jaundice, ascites etc). At the cirrhotic phase it is just too badly damaged and scarred to get better.
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