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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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Related Experiment Video

Updated: Apr 21, 2026

MicroRNA Based Liquid Biopsy: The Experience of the Plasma miRNA Signature Classifier MSC for Lung Cancer Screening
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MicroRNA Based Liquid Biopsy: The Experience of the Plasma miRNA Signature Classifier MSC for Lung Cancer Screening

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Lung cancer screening.

Lynn T Tanoue1, Nichole T Tanner, Michael K Gould

  • 11 Section of Pulmonary, Critical Care, and Sleep Medicine, Yale School of Medicine, New Haven, Connecticut.

American Journal of Respiratory and Critical Care Medicine
|November 5, 2014
PubMed
Summary
This summary is machine-generated.

Lung cancer screening with low-dose computed tomography (LDCT) is recommended for high-risk adults. Balancing benefits like reduced mortality against harms such as false positives is crucial for effective implementation.

Keywords:
cancer screeningearly detection of cancerguidelineslung cancer

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MicroRNA Based Liquid Biopsy: The Experience of the Plasma miRNA Signature Classifier MSC for Lung Cancer Screening
08:14

MicroRNA Based Liquid Biopsy: The Experience of the Plasma miRNA Signature Classifier MSC for Lung Cancer Screening

Published on: October 26, 2017

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Area of Science:

  • Pulmonology
  • Radiology
  • Preventive Medicine

Background:

  • The United States Preventive Services Task Force (USPSTF) guidelines recommend lung cancer screening.
  • Recommendations are informed by the National Lung Screening Trial (NLST).
  • Screening involves low-dose computed tomography (LDCT) for specific high-risk populations.

Purpose of the Study:

  • To outline the USPSTF recommendations for lung cancer screening.
  • To emphasize the importance of considering both benefits and harms of LDCT screening.
  • To promote evidence-based implementation of lung cancer screening programs.

Main Methods:

  • The USPSTF recommendation is based on findings from the National Lung Screening Trial.
  • The abstract discusses policy-level and clinical decision-making considerations.
  • It highlights the need to identify individuals at high risk for lung cancer mortality.

Main Results:

  • LDCT screening is recommended for adults aged 55-80 with a 30 pack-year smoking history.
  • Eligibility includes current smokers or those who quit within the past 15 years.
  • The potential benefits (reduced mortality) and harms (false positives, overdiagnosis) must be weighed.

Conclusions:

  • Effective lung cancer screening requires careful patient selection to maximize benefits and minimize harms.
  • Understanding risks associated with false positives and unnecessary invasive procedures is essential.
  • An evidence-based, systematic approach to screening aims to reduce lung cancer mortality.