Telomeres have been a focus of anti-aging research for quite sometime. Unfortunately, no breakthroughs have yet revealed any glimmer of the fountain of youth. Telomeres are pieces of DNA that cap the ends of our chromosomes. Each time a cell divides (which is required for us to stay alive) telomeres get shorter and shorter until they reach a point where division is halted, thus putting bodily cells into a state where they can no longer renew themselves – thus is part of the aging process. However, new research focusing on Ashkenazi Jews has found that those who lived the longest had inherited a hyperactive version of an enzyme called telomerase that is able to rebuild telomeres. “In effect, centenarians tend to have a top-notch body mechanic at work 24/7 repairing the hardware that runs the body, versus a normal person whose body’s cellular control center is left to wear out with time.” Will this startling research lead to future advances in the pursuit of longevity? Only time will tell. [via Yahoo! News]
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Dr. Steven Chang, the author of DailyDose, is a staff physician with Kosmix RightHealth. Dr. Chang practices Family Medicine at the University of California Davis Medical Center, where his medical interests include both pediatric and geriatric care, public health, gay and lesbian health, and sleep medicine. Dr. Chang trained at the Stanford University affiliated O'Connor Hospital, and was a research fellow at the National Institute of Health. He holds an M.D. from McGill University and a BA in Public Health from Johns Hopkins University.