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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
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Relationship between obesity and hearing loss.

Sang Hoon Kim1, Yong Sung Won2, Myung Gu Kim3

  • 1a Department of Otorhinolaryngology-Head and Neck Surgery , Graduate School, Kyung Hee University , Seoul , Korea ;

Acta Oto-Laryngologica
|May 18, 2016
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Summary

Individuals who are underweight or severely obese have a higher risk of hearing loss. This study examined body mass index (BMI) and its association with hearing impairment in Koreans.

Keywords:
Hearing lossageobesityunderweight

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Area of Science:

  • Audiology
  • Public Health
  • Epidemiology

Background:

  • The link between body weight and hearing impairment remains incompletely understood.
  • Investigating the association between body mass index (BMI) and hearing loss is crucial for public health.
  • Previous research has not definitively established the relationship between weight categories and auditory health.

Purpose of the Study:

  • To analyze the relationship between hearing loss and body mass index (BMI) in a Korean population.
  • To determine if specific weight categories are associated with a higher prevalence or severity of hearing loss.
  • To provide insights into weight management strategies for hearing health.

Main Methods:

  • A large-scale cross-sectional study involving 61,052 Korean adults who underwent health screenings.
  • Hearing tests were conducted, and subjects were categorized into five BMI groups: underweight, normal, overweight, obese, and severely obese.
  • Statistical analysis, including multivariate analysis adjusted for age, was used to assess the relationship between BMI and hearing loss prevalence and severity.

Main Results:

  • The prevalence of mild or greater hearing loss was highest in the underweight (24.9%) and severely obese (24.1%) groups compared to the normal BMI group (20.4%).
  • Mild hearing loss was the most common form across all BMI categories.
  • Multivariate analysis revealed significantly increased odds of hearing loss for individuals in the underweight (OR=1.282) and severely obese (OR=1.312) groups compared to those with normal BMI.

Conclusions:

  • Both underweight and severe obesity are associated with an increased prevalence of hearing loss in the Korean population.
  • These findings highlight the potential impact of weight extremes on auditory health.
  • Further research is warranted to explore the underlying mechanisms and potential interventions.