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Image of the Day
Running on Empty
Bob Grant | Jun 1, 2017
Regularly taking breaks from eating—for hours or days—can trigger changes both expected, such as in metabolic dynamics and inflammation, and surprising, as in immune system function and cancer progression.
Infographic: Cook Up an Exome-Based Diet
Ruth Williams | May 31, 2017
See how scientists designed food with amino acid compositions based on protein-coding regions in the genomes of mice and fruit flies.
Secrets from Neanderthal Tooth Plaque
Jef Akst | Mar 10, 2017
Ancient hominins in northern Spain ate mushrooms, pine nuts, and moss, and may have used
mold and other natural products to sooth toothache pain.
The Topography of Teeth
Bob Grant | Nov 29, 2016
Intricate, digital maps of animals’ teeth, created using the same geographical tools used by mapmakers, may help researchers determine the diets of extinct species.
Altered Microbiome Contributes to Exaggerated Post-Diet Weight Regain in Mice
Tracy Vence | Nov 24, 2016
Obesity-associated microbiome composition can persist after weight loss, affecting the exchange of metabolites between a mouse and its resident bugs, researchers report.
Study: Genetic Tests Don’t Change Behavior
Jef Akst | Mar 17, 2016
Knowing one’s genetic risk for particular diseases doesn’t encourage behavior modifications, according to a study.
Less Chewing, More Doing
Catherine Offord | Mar 11, 2016
Food processing in early hominid populations might have played a key role in human evolution by increasing net energy uptake, researchers show.
Gut Microbes Need Fiber, Too
Karen Zusi | Jan 13, 2016
A low-fiber diet decimated the diversity of bacterial species in mice colonized with human gut microbes in a recent study.
Jef Akst | Dec 29, 2015
A hormone made in the liver controls how much sugar mice eat, according to a study.
Gut Bugs to Brain: You’re Stuffed
Kerry Grens | Nov 24, 2015
Bacteria in the intestine produce proteins that stop rodents from eating.