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Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

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Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
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Lipids: Dietary Sources and Requirements01:18

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Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
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Rural-urban differences in lipid abnormalities among middle-aged and older Indians.

Priya Chatterjee1,2, Sakshi Arora1, Pooja Rai1

  • 1Centre for Brain Research, Indian Institute of Science, Bangalore, 560012, India.

BMC Public Health
|August 23, 2025
PubMed
Summary
This summary is machine-generated.

Dyslipidemia is common in aging Indians, with urban areas showing higher high total cholesterol and LDL cholesterol. Rural areas had more low HDL cholesterol and high triglycerides, indicating a need for targeted interventions.

Keywords:
DyslipidemiaIndiaOlder populationPrevalenceRural–urban differences

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Area of Science:

  • Cardiology
  • Public Health
  • Gerontology

Background:

  • Dyslipidemia is a significant risk factor for cardiovascular diseases (CVD).
  • Prevalence of dyslipidemia often differs geographically, with higher rates in urban settings.
  • This study investigates dyslipidemia in India's aging population, comparing rural and urban lipid abnormalities.

Purpose of the Study:

  • To determine the prevalence of dyslipidemia in aging Indian populations.
  • To compare rural-urban differences in lipid abnormalities.
  • To identify risk factors associated with dyslipidemia in these populations.

Main Methods:

  • Analysis of baseline data from 2,797 rural and 430 urban participants (aged ≥45 years) in Southern India.
  • Lipid profiles measured using standard laboratory techniques; abnormalities classified per NCEP ATP-III criteria.
  • Comparison of lipid abnormality proportions using Z-tests and risk factor analysis via multivariate logistic regression.

Main Results:

  • Urban populations showed higher prevalence of high total cholesterol (37.0% vs. 28.4%) and LDL-c (33.5% vs. 26.8%).
  • Rural populations exhibited higher rates of low HDL-c (72.4% vs. 44.2%), high triglycerides (45.7% vs. 38.6%), and elevated lipid risk ratios.
  • Females in both settings had higher risks of multiple lipid abnormalities; diabetes, overweight, obesity, and inactivity were associated with lipid issues, less so in urban areas.

Conclusions:

  • Aging Indians, both rural and urban, exhibit a high prevalence of lipid abnormalities.
  • Elevated cardiovascular disease risk necessitates targeted interventions to mitigate the disease burden in these communities.