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Obesity accelerates aging in women by 8.8 years
Thursday, July 29, 2010 1:26 pm Email this article
Obesity accelerates aging in women by 8.8 years according to a study from researchers from the Twin Research and Genetic Epidemiology Unit at St. Thomas' Hospital in London, England. This compares to 7.4 years of accelerated aging for a woman who has smoked a pack of cigarettes per day for 40 years. Subjects
Subjects: 122 white women, 18-76 years-old
The study analyzed the length of telomeres from 1122 white women who were 18– to 76-years-old.
What are Telomeres?
Telomeres are tails on the end of chromosomes that shorten as we age
Telomeres are caps on the end of chromosomes that protect them, but shorten as we age, each time a cell divides and are also shortened by oxidative stress.
Conclusion: Obesity and smoking accelerate aging
“Our findings suggest that obesity and cigarette smoking accelerate human ageing,” the researchers concluded.
Valdes A, Andrew T, Gardner J, Kimura M, Oelsner E, Cherkas L, Aviv A, Spector T. Obesity, cigarette smoking, and telomere length in women. Lancet. 2005 Aug 20-26, 366(9486):662-64.
AUTHOR’S CONTACT INFORMATION
Professor Tim D. Spector
Twin Research and Genetic Epidemiology Unit
St Thomas’ Hospital
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