(CBS)- Stress during pregnancy could affect pregnancies for several generations. Canadian researchers studied generations of rats and found those subjected to stress late in pregnancy had daughters and granddaughters that had shorter pregnancies. The study also found other signs of stress in rats born to stressed grandmothers or mothers, including a lower birth weight and higher glucose levels.
(CBS)- U.S. researchers have discovered that analyzing the bacteria in a person's gut is a good indicator of who may have precancerous polyps as well as invasive colorectal cancer. They say it is better than assessing risk factors and stool testing. Scientists hope the technique could one day be used as a screening tool.
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