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Tuesday, April 06, 2010

Bones should think twice before revealing...

Perhaps the aging process can’t be stopped. But it can be predicted, and new research from Tel Aviv University indicates that people may live longer and lead healthier lives as a result.

Researchers have developed a new biological marker that represents the age of a body’s bones. It reveals that the speed of physical aging is strongly influenced by genetics.

Christened the osseographic score (OSS), this new marker can be used by doctors as a scientific tool for predicting a person’s general functioning and lifespan, says Tel Aviv University scientist Dr. Leonid Kalichman, an instructor at The Stanley Steyer School of Health Professions. He is a co-author of the study published in Biogerontology and the American Journal of Human Biology (2007), which was conducted in partnership with Dr. Ida Malkin and Prof. Eugene Kobyliansky, both from the Sackler Faculty of Medicine at Tel Aviv University.

Add Years to Your Life

If a doctor can determine that a person is aging “biologically faster” than he or she should, measures such as vitamin supplements and exercise can help slow down the process, says Dr. Kalichman.

“While different biomarkers such as grey hair, wrinkles or elasticity of the skin can help us estimate a person’s biological age, these features are hard to quantify,” he says. But with the new OSS biomarker, and treatment at a younger age, “at age 90 people can function as though they are 30,” says Kalichman.

He predicts that biological aging will be an increasingly hot topic of study in the coming years, especially in the western world where people are living longer than ever before.

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