Alcohol consumption and hypothyroidism
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Alcohol Consumption and Risk of Hypothyroidism
Research shows that alcohol consumption may have a protective effect against the development of overt autoimmune hypothyroidism. In a large population-based study, individuals with newly diagnosed autoimmune hypothyroidism reported lower alcohol intake compared to healthy controls. The risk of developing hypothyroidism was almost twice as high in people who abstained from alcohol compared to those who consumed 1–10 units per week. Moderate alcohol consumption (11–20 units per week) was associated with a significantly lower risk. This protective effect was seen regardless of the type of alcohol consumed, sex, or region of residence . Similar findings were observed in patients with nonalcoholic fatty liver disease (NAFLD), where those who reported mild alcohol consumption were less likely to have hypothyroidism compared to those who abstained completely .
Hypothyroidism and Alcohol Use Behavior
Animal studies suggest that hypothyroidism itself may increase voluntary alcohol consumption. In a rat model, hypothyroid animals drank more ethanol, and this effect was even stronger with thyroid hormone supplementation. The study also found that hypothyroidism affected behaviors related to motor activity and anxiety, and altered the expression of genes involved in alcohol metabolism. These findings suggest that people with hypothyroidism may need personalized guidance regarding alcohol use, and that the thyroid system could be important in understanding and treating alcohol addiction .
Hypothyroidism, Alcohol, and Nonalcoholic Fatty Liver Disease (NAFLD)
Several studies have found a strong association between hypothyroidism and NAFLD. People with hypothyroidism are more likely to develop NAFLD and its more severe form, nonalcoholic steatohepatitis (NASH) Pagadala2012Teimouri2022Chung2012. The risk of NAFLD increases with the severity of hypothyroidism, even in cases of mild or subclinical hypothyroidism . Among NAFLD patients, those who abstain from alcohol are more likely to have hypothyroidism, while mild alcohol consumption appears to be linked to a lower risk of hypothyroidism .
Conclusion
Overall, moderate alcohol consumption may reduce the risk of developing overt autoimmune hypothyroidism, while abstinence is associated with a higher risk. Hypothyroidism may also increase the tendency to consume alcohol, and is closely linked to NAFLD. These findings highlight the complex relationship between alcohol use and thyroid health, suggesting that both alcohol consumption and thyroid function should be considered in clinical care and public health recommendations Carlé2012Echeverry-Alzate2018Pagadala2012+2 MORE.
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Most relevant research papers on this topic
Moderate alcohol consumption may protect against overt autoimmune hypothyroidism: a population-based case-control study.
Moderate alcohol consumption may significantly protect against the development of overt autoimmune hypothyroidism, regardless of sex or type of alcohol consumed.
Adult-onset hypothyroidism increases ethanol consumption
Hypothyroidism increases ethanol consumption and can be exacerbated by thyroid hormone supplementation, highlighting the need for personalized ethanol consumption management and potential therapeutic targets for alcoholism and comorbid disorders.
Prevalence of Hypothyroidism in Nonalcoholic Fatty Liver Disease
Hypothyroidism is more prevalent in patients with nonalcoholic fatty liver disease (NAFLD) compared to controls, with female gender, increased BMI, and alcohol abstinence history being associated with the condition.
Non-alcoholic fatty liver disease across the spectrum of hypothyroidism.
Hypothyroidism is closely associated with non-alcoholic fatty liver disease (NAFLD) in a dose-dependent manner, regardless of known metabolic risk factors.
Hypothyroidism Induces a Moderate Steatohepatitis Accompanied by Liver Regeneration, Mast Cells Infiltration, and Changes in the Expression of the Farnesoid X Receptor.
Hypothyroidism induces moderate non-alcoholic steatohepatitis, allowing liver regeneration, and may involve the farnesoid receptor (FXR) in the development of non-alcoholic steatohepatitis in hypothyroid subjects.
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