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Related Concept Videos

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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Longitudinal Research02:20

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
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Understanding the Social Risk Factors That Avert Equitable Lung Cancer Care.

Christopher M Kapp1, Chelsi Green2, Jeffrey Thiboutot3

  • 1Northwestern University Department of Medicine, Division of Pulmonary and Critical Care Medicine, Section of Interventional Pulmonary, Chicago, IL.

Clinical Lung Cancer
|September 20, 2024
PubMed
Summary
This summary is machine-generated.

Black patients and those with low income present with advanced lung cancer, despite no delays in diagnosis or treatment timelines. Efforts should target screening and early detection in at-risk populations to reduce disparities.

Keywords:
DisparitiesHealth inequalityLung cancer stagingSocial determinants of health

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Area of Science:

  • Oncology
  • Public Health
  • Health Disparities

Background:

  • Lung cancer is a leading cause of cancer death in the US.
  • Social determinants of health (SDOH), including race and income, impact cancer outcomes.
  • Black race and low income are linked to poorer lung cancer screening adherence and later disease stage at presentation.

Purpose of the Study:

  • To investigate the association between race, income, and the time to diagnosis and treatment for lung cancer.
  • To identify potential disparities in lung cancer care progression based on SDOH.

Main Methods:

  • Retrospective review of 550 lung cancer patients at an urban academic center (2015-2021).
  • Collected demographic (race) and clinical data (time to diagnosis and treatment milestones).
  • Approximated income using median household income by zip code.

Main Results:

  • No statistically significant delays in diagnosis or treatment progression were observed based on race or approximated income.
  • Black patients comprised 72.7% of Stage IV diagnoses.
  • Patients in low-income zip codes (<$40,000) represented 76.0% of Stage IV diagnoses.

Conclusions:

  • Race and low income do not cause delays in lung cancer diagnostic or treatment timelines.
  • Black race and low-income status are predictors of late-stage (Stage IV) lung cancer presentation.
  • Targeted screening and early identification efforts are crucial for high-risk social groups to reduce lung cancer disparities.