Asparagine, an amino acid found in asparagus and many other foods, was shown to aid in the spread of breast cancer to other organs of the body in mice, a new study published in the journal Nature found. But when a diet light in asparagine was introduced to the animals, the researchers said that the number of malignant tumors outside of the breast tissue, like those found in the bones, lungs and brain, — the number one cause of death in people with breast cancer — decreased dramatically. "This is a very promising lead and one of the very few instances where there is a scientific rationale for a dietary modification influencing cancer," the study's lead author, Greg Hannon, told The Guardian .
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