Related Experiment Video
Updated: May 5, 2026
20:16
Detecting Anastasis In Vivo by CaspaseTracker Biosensor
Published on: February 1, 2018
8.8K
[Cancer risk associated to ionizing radiation]
Dominique Laurier1, Catherine Hill
1Laboratoire d'epidémiologie, Institut de radioprotection et de sûreté nucléaire (IRSN), 92260 Fontenay-aux-Roses, France. dominique.Iaurier@irsn.fr
La Revue Du Praticien
|December 5, 2013
Summary
New research confirms that even low doses of ionizing radiation increase cancer risk, especially with prolonged exposure. These findings support current radiation protection measures and emphasize minimizing all radiation exposure, particularly in medical settings for children.
Area of Science:
- Environmental Health
- Radiation Oncology
- Epidemiology
Context:
- Epidemiological studies on ionizing radiation exposure have advanced significantly over the past decade.
- Extended follow-up periods have improved risk quantification, particularly at low dose levels.
Purpose:
- To present an updated analysis of cancer risks linked to ionizing radiation exposure.
- To evaluate the impact of low-dose and protracted radiation exposures on cancer risk.
Summary:
- Recent epidemiological data confirm an elevated cancer risk associated with ionizing radiation, even below 100 mSv and for protracted exposures.
- Findings validate the foundational principles of current radiation protection systems.
- The data underscore the necessity of reducing all forms of radiation exposure, including accidental, medical, occupational, and natural sources.
Impact:
- Reinforces the importance of stringent radiation safety protocols in medical, occupational, and environmental contexts.
- Highlights the critical need for cautious application of medical radiation, with a specific focus on pediatric protection.
- Provides evidence-based support for public health policies aimed at minimizing radiation-induced cancer incidence.
Related Concept Videos
02:59Biological Effects of Radiation
15.4K
All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
15.4K
02:59Cancer Prevention
6.5K
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.
Some...
Some...
6.5K
02:59Cancer Prevention
2.6K
2.6K
01:35Mutations
31.2K
Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
31.2K
01:25Mutagenicity and Carcinogenicity
2.0K
Mutagenicity and carcinogenicity refer to the ability of drugs to cause genetic defects and induce cancer, respectively. The International Agency for Research on Cancer (IARC) classifies agents into four groups based on their carcinogenic potential. Group 1 agents are known human carcinogens; group 2A agents are probably carcinogenic to humans; group 3 agents lack data to support their role in carcinogenesis; and group 4 includes agents for which data support that they are not likely to be...
2.0K
01:33Cancer-Critical Genes I: Proto-oncogenes
9.1K
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
9.1K