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<p>This weekend, March 28 and 29, Sound Medicine guests will talk about the usefulness of prostate screenings, brain decline, and a possible link between working the night shift and breast cancer.</p>

This Week on Sound Medicine — March 29

Timothy Ratliff, Ph.D., director of the Purdue Cancer Research Center, will comment on conflicts in studies that have shown that PSA (prostate specific antigen) screenings both do and don’t save lives. The screenings are used to detect elevated levels of PSA, which could indicate a life threatening cancer or a much slower growing tumor.

George Bartzokis, M.D., a neurologist at the Brain Research Institute at UCLA, will discuss his findings that suggest that brain decline is tied to a decrease in myelin coating the brain’s neurons.

Scott Davis, Ph.D., chair of the Department of Epidemiology at the University of Washington School of Public Health, will discuss a possible link between working the night shift and an increased risk of breast cancer. Dr. Davis believes that sleep deprivation can trigger the ovaries to produce more estrogen, which has been linked to breast cancer.

Sound Medicine reporter Colleen Iudice will report on a study being conducted at the University of Indianapolis to see if people can improve their fitness using computerized dance games.

Co-host Ora Pescovitz, M.D., will talk with choreographer Liz Lerman and dancer Susie Richard about exploring the mysteries of the human genome through dance.

In this week’s Sound Medicine “Checkup,” Jeremy Shere, Ph.D., will look at a new gene therapy that could immunize some against HIV.

Archived editions of Sound Medicine as well as other helpful information can be found at

Sound Medicine is underwritten by Eli Lilly and Company, Clarian Health and IU Medical Group. Jeremy Shere’s “Check-Up” is underwritten by IUPUI.