What your ALT level can reveal about liver health
This article explains the role of ALT enzymes in liver health and how their levels in blood tests can indicate liver injury. It notes that while ALT is a sensitive marker, normal levels do not always rule out significant liver disease.
According to the World Health Organization (WHO), liver diseases account for around two million deaths globally every year. Viral hepatitis alone caused an estimated 1.3 million deaths in 2022, with about 254 million people living with chronic hepatitis B infection and around 50 million with chronic hepatitis C infection. There is also a rising burden of metabolic dysfunction-associated steatotic liver disease (MASLD), previously known as non-alcoholic fatty liver disease, driven by increasing obesity and diabetes.
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