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a white mouse sits on a blue exercise wheel, looking out onto the shavings below
Mice With a Healthy Gut Microbiome Are More Motivated to Exercise
A neural pathway between the gut and the brain led to the release of dopamine when the mice ran on a wheel or treadmill, but only in the presence of a robust microbiome. 
Mice With a Healthy Gut Microbiome Are More Motivated to Exercise
Mice With a Healthy Gut Microbiome Are More Motivated to Exercise

A neural pathway between the gut and the brain led to the release of dopamine when the mice ran on a wheel or treadmill, but only in the presence of a robust microbiome. 

A neural pathway between the gut and the brain led to the release of dopamine when the mice ran on a wheel or treadmill, but only in the presence of a robust microbiome. 

fitness
Image of the Day: Red-Feathered Finches
Emily Makowski | Sep 30, 2019 | 1 min read
Scientists uncover a potential reason why redder house finches have better health.
Nest Herbs Encourage Starling Parents to Incubate Their Eggs
Ashley Yeager | Sep 1, 2018 | 4 min read
The presence of aromatic greens in with other building materials increased the time birds sat on their eggs, improving the health of the hatchlings.
Study Finds Epigenetic Differences Between Hatchery-Raised and Wild-Born Salmon
Shawna Williams | Mar 1, 2018 | 4 min read
The variation may help explain why stocked salmon don’t fare as well in the ocean.
Birds Warn Unborn Chicks About Warmer Weather
Alison F. Takemura | Aug 22, 2016 | 2 min read
Zebra finches sing a special song that appears to help their offspring better adapt to a hotter climate, according to a study.
A Weighty Anomaly
Jyoti Madhusoodanan | Nov 1, 2015 | 5 min read
Why do some obese people actually experience health benefits?
Genetics Paper Retracted
Jessica P. Johnson | Sep 2, 2011 | 1 min read
Due to statistical errors, a Science paper claiming that mutation is responsible for genetic variation is retracted.
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