Dr. Roy Fleischmann, clinical professor at the University of Texas Southwestern Medical Center at Dallas, was the lead author for this work, which was presented a month ago at the 65th annual scientific meeting of the American College of Rheumatology in San Francisco.

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"It's true that the majority of cardiovascular protection comes from exercise at more moderate levels, but there is compelling evidence that there's no upper limit, " said Benjamin Levine, director of the Institute for Exercise and Environmental Medicine in Dallas and professor of medicine at the University of Texas Southwestern Medical Center.

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He was also good at coding, but put it aside to pursue a medical degree at the University of Texas Southwestern Medical Center in Dallas.

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Dr Ellen Vitetta and colleagues at the University of Texas Southwestern Medical Center in Dallas developed the vaccine as a result of research into new anti-cancer drugs.

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