Hungry? You may be infertile, too, study says

Stock photo by gravityx9
While calorie restriction and exercise are promoted as the keys to longevity, running a negative energy balance risks compromising fertility.

In a study — the first of its kind — published in the September 21–25 issue of the Proceedings of the National Academy of Sciences, Meenakshi Alreja, associate professor of psychiatry and neurobiology at the Yale School of Medicine, and her colleagues looked into the molecular interactions that links hunger and infertility.

Her research reveals a molecular pathway that becomes amplified during conditions of low food availability, and thereby shuts down the activity of brain cells that control the onset of puberty, ovulation and fertility.

“Reproduction is expensive,” Alreja said. “We cannot afford to enter puberty and reproduce unless there is enough energy.”

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