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Published Oct 2, 2023

Protect your liver and promote optimal metabolic health | Alan Flanagan, PhD

Explore effective strategies for protecting liver health and promoting optimal metabolic function with Alan Flanagan, PhD, as he delves into the influence of energy balance, dietary choices, and plant-based nutrition on non-alcoholic fatty liver disease, affecting 25% of the global population.
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  • NAFLD Basics

    Non-alcoholic fatty liver disease (NAFLD) is characterized by the accumulation of excess triglycerides in over 5% of liver cells, unrelated to alcohol consumption. explains that this condition is the most common cause of chronic liver disease, affecting approximately 25% of the global population 1. The prevalence varies significantly across different populations, influenced by factors such as sex and ethnicity. For instance, individuals of South and East Asian or Hispanic ancestry have a higher risk compared to those of Black or African American ancestry 1.

    The diagnosis of non-alcoholic fatty liver disease is when there is an accumulation of excess triglyceride or excess fat in over 5% of hepatocytes or liver cells.

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    Understanding these demographic differences is crucial for identifying at-risk groups and tailoring preventive strategies.

       

    Risk Factors

    NAFLD affects about 25% of the population, with energy excess being a primary driver. highlights that chronic energy surplus leads to insulin resistance and elevated triglycerides, complicating the condition 2. Genetic and lifestyle factors, such as diet and physical inactivity, also play significant roles in risk levels. Ethnic and gender differences further influence susceptibility, with males generally at higher risk 3.

    Current estimates, in terms of global estimates suggest, give or take, around 25% of the population may exhibit fatty liver.

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    Understanding these risk factors is essential for developing effective prevention and management strategies.

       

    Diagnosis

    Diagnosing NAFLD involves identifying excess triglycerides in liver cells, often through non-invasive methods like ultrasound or MRI. notes that symptoms can be subtle, making early detection challenging 1. The condition is closely linked with type 2 diabetes, though they can exist independently. The overlap between these conditions complicates diagnosis and management, as both share similar risk factors 4.

    We have this term lipotoxicity, which is really characterizing all of that as an umbrella term for all of those factors that I was just describing.

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    Recognizing these connections is vital for accurate diagnosis and effective treatment plans.

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