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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 produce ions...
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Isotopes and Radioisotopes

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Bioterrorism versus radiological terrorism: notes from a bio/nuclear epidemiologist.

Thomas E Goffman

    American Journal of Disaster Medicine
    |April 22, 2009
    PubMed
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    Bioterrorism threats are likely overemphasized in antiterrorism planning, despite Homeland Security warnings. Epidemiological intelligence suggests a lower likelihood of bioterrorism compared to other potential threats.

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    Area of Science:

    • Public Health
    • National Security
    • Epidemiology

    Background:

    • Antiterrorism and disaster planning frequently highlight bioterrorism and radioterrorism risks.
    • Homeland Security has issued warnings emphasizing bioterrorism potential.

    Discussion:

    • Epidemiological intelligence from national and international work suggests bioterrorism is a less likely major threat.
    • The focus on bioterrorism may be disproportionately high at the state level.
    • Homeland Security's emphasis on bioterrorism appears to lack substantial rational basis.

    Key Insights:

    • Bioterrorism threat assessment requires re-evaluation based on epidemiological data.
    • Overemphasis on bioterrorism may divert resources from more probable threats.
    • Intelligence gathering on cultural factors is crucial for accurate threat assessment.

    Outlook:

    • Future planning should integrate broader intelligence perspectives to balance threat assessments.
    • Further research is needed to validate the actual risk levels of various terror threats.
    • A more rational and evidence-based approach to national security threat prioritization is recommended.