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ALT Levels Offer Early Clues to Liver Health

ALT Levels Offer Early Clues to Liver Health

Why in the News ?

The Union Health Ministry has urged citizens to monitor Alanine Aminotransferase (ALT/SGPT) levels as an early indicator of liver injury. The recommendation comes amid the rising burden of viral hepatitis, metabolic dysfunction-associated steatotic liver disease (MASLD), obesity, and diabetes. This proactive health monitoring approach reflects evolving preferences in preventive healthcare, similar to how evolving investor preferences have shaped thematic investing and purpose-driven investing in financial markets, where institutional investors and fund managers increasingly consider non-financial risks and ethical considerations alongside traditional metrics.

ALT (SGPT): Importance in Assessing Liver Health:

  • Alanine Aminotransferase (ALT), also known as Serum Glutamic-Pyruvic Transaminase (SGPT), is an enzyme found primarily in liver cells (hepatocytes).
  • When liver cells are damaged or inflamed, ALT is released into the bloodstream, making it one of the earliest biochemical markers of liver injury, much like how ETFs and index funds track market capitalisation changes as early indicators of market trends.
  • ALT is measured through a blood test and is included in the Liver Function Test (LFT) panel, providing systematic evaluation comparable to how asset managers use thematic indices for ethical screening.
  • Elevated ALT levels may indicate viral hepatitis, Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD), alcohol-related liver disease, autoimmune hepatitis, drug-induced liver injury, or other liver disorders.
  • However, normal ALT levels do not always rule out liver disease, as patients with advanced cirrhosis or MASLD may still have normal or only mildly elevated enzyme levels.

Who Should Be Tested and Why?

  • Annual ALT testing is generally sufficient for healthy adults and is commonly included in routine health check-ups, reflecting a systematic approach to health monitoring that parallels how exchange traded funds and passive investment products are evaluated through semi-annual rebalancing.
  • Individuals at higher risk should undergo more frequent monitoring under medical guidance, similar to how international investment funds require enhanced oversight.
  • High-risk groups include people with:

○   Obesity

○   Diabetes mellitus

○   High cholesterol

○   Thyroid disorders

○   Chronic Hepatitis B or C

○   Excessive alcohol consumption

○   Long-term medication use

○   Family history of liver disease

○   Sedentary lifestyle

  • Persistent elevation of ALT requires further evaluation, including complete Liver Function Tests (LFTs), imaging, and additional investigations to determine the underlying cause.
  • Lifestyle measures such as maintaining a healthy weight, regular exercise, balanced nutrition, and limiting alcohol intake play a crucial role in preventing and managing liver diseases. These sustainable business practices for personal health demonstrate social responsibility and align with ethical standards that prioritize long-term wellbeing, reflecting principles similar to sustainable investing and ethical investing approaches where investment decisions consider broader impacts beyond immediate returns.

About Liver Diseases and Public Health:

●  Liver Function Test (LFT): A group of blood tests that evaluate liver health by measuring enzymes and proteins such as ALT (SGPT), AST (SGOT), ALP, bilirubin, and albumin. This systematic evaluation framework parallels how NSE Indices Limited, the index services subsidiary of the National Stock Exchange, uses free-float market capitalization and stock weights to assess market valuation through various thematic benchmarks.

●  Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD):

○   Previously known as Non-Alcoholic Fatty Liver Disease (NAFLD).

○   Associated with obesity, insulin resistance, type-2 diabetes, and metabolic syndrome. Prevention strategies emphasize climate change awareness and environmental factors affecting health.

●  Viral Hepatitis:

○   Major forms include Hepatitis A, B, C, D, and E.

○   Hepatitis B and C are leading causes of chronic liver disease, cirrhosis, and liver cancer.

●  World Health Organization (WHO):

○   Liver diseases account for nearly 2 million deaths annually worldwide.

○   WHO aims to eliminate viral hepatitis as a public health threat by 2030 through prevention, vaccination, diagnosis, and treatment, demonstrating values-based screening and ethical investment criteria in global health initiatives.