A new study has found that chronic disruption of one of the most basic circadian (daily) rhythms -- the day/night cycle -- leads to weight gain, impulsivity, slower thinking, and other physiological and behavioral changes in mice, similar to those observed in people who experience shift work or jet lag.
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October 27, 2009
Maternal High-Fat Diet Has Serious Implications For Brain Development Of Offspring, Mouse Study Finds
Feeding high-fat food to pregnant mice can affect their pups' brain development in ways that may cause them to be more vulnerable to obesity and to engage in addictive-like behaviors in adulthood, a new study has found.
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September 29, 2009
Social Isolation Worsens Cancer, Mouse Study Suggests
Using mice as a model to study human breast cancer, researchers have demonstrated that a negative social isolation causes increased tumor growth. The work shows -- for the first time -- that social isolation is associated with altered gene expression in mouse mammary glands, and that these changes are accompanied by larger tumors. This novel finding may begin to explain how the environment affect
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