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circulation

Could magnets replace aspirin as blood thinners?

Temple University physics department chair Rongjia Tao made headlines in 2008 when he developed a simple device that creates an electric field to thin fuel, thereby reducing the size of the droplets injected into the engine and improving fuel efficiency.

Now, Tao and former graduate student Ke Huang are unveiling their latest research that this same principle, when applied to the human body, can help thin blood and reduce one's risk of heart attack--without the side effects of blood thinners such as aspirin.

After testing numerous blood samples at Temple, the physicists were able to use a magnetic field of 1.3 Telsa (roughly equivalent to what is used in an MRI) for just one minute to polarize the red blood cells, which contain iron, thereby causing those cells to link together in short, streamlined chains flowing down the center of blood vessels and reducing friction along the walls.

The result: smoother blood flow. In fact, after just 1 to 12 minutes of exposure to the magnetic field via a 1,000-pound magnet, blood viscosity decreased by 20 to 30 percent for several hours. Eventually, blood viscosity returned to previous levels.… Read more

Online newspaper readership climbs 16 percent

Despite a virtual meltdown in the newspaper industry, the nation's top 10 online newspapers posted a 16 percent increase in December Web traffic, according to a report released Tuesday by Nielsen Online.

Such results bode well for an industry that is currently undergoing tumultuous times, with a growing number of pulp-based publications contemplating bankruptcy, scaling back delivery days, or switching to an online-only format, as readership continues to decline and advertisers shift their spending online.

Unique visitors in the month of December rose to 40.1 million, compared with the same time a year ago, according to the report. … Read more