Tuesday, May 24, 2011

Retaining Ovaries May Be A Key To Prolonged Life


West Lafayette, Ind. — We know that women tend to live longer than men, but a new study shows that the same may be true in dogs, especially if a female dog’s ovaries are not surgically removed early in life.

A study conducted at the Gerald P. Murphy Cancer Foundation compared the medical histories, ages and causes of death in 119 long-lived rottweilers with a longevity of at least 13 years with 186 rottweilers with a normal longevity of about 9 years. The study was published in the December issue of the journal Aging Cell.

“Like women, female dogs in our study had a distinct survival advantage over males,” said the lead researcher David J. Waters, associate director of Purdue University’s Center on Aging and the Life Course and a professor in the Department of Clinical Sciences. “But taking away ovaries during the first four years of life completely erased the female survival advantage.

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