01/13/10

Permalink Full-Body Scanners Used on Air Passengers May Damage Human DNA

In order to generate the nude image of the human body, these machines emit terahertz photons -- high-frequency energy "particles" that can pass through clothing and body tissue. The manufacturers of such machines claim they are perfectly safe and present no health risks, but a study conducted by Boian S. Alexandrov (and colleagues) at the Center for Nonlinear Studies at Los Alamos National Laboratory in New Mexico showed that these terahertz waves could "...unzip double-stranded DNA, creating bubbles in the double strand that could significantly interfere with processes such as gene expression and DNA replication." In layman's terms, any time you're talking about interfering with "gene expression" and "DNA replication," you're essentially talking about something that could be a risk to human health.

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