Gut bacteria keeps bears healthily obese

The summer sun pokes its way through the pine trees to strike the forest floor, where a bear is feasting on blueberries. She can easily get through 50 kilograms a day.

A molecule that destroys normal metabolism is found

Overeating in mice triggers a molecule once considered to be only involved in detecting and fighting viruses to also destroy normal metabolism, leading to insulin resistance and setting the stage for diabetes. The new study, ...

Got fish? Nutrition studies explore health benefits

Some of America's most popular fish--salmon and albacore tuna, for example--are rich in healthful natural compounds known as omega-3 fatty acids. Ongoing studies by U.S. Department of Agriculture (USDA) chemist Darshan S. ...

Scientists make advances in breeding high-resistant-starch rice

Scientists have shown that the loss of function of two paralogous starch biosynthetic genes contributes to an increase in resistant starch (RS) content in cooked rice, providing insights into the generation of high-RS varieties ...

Sugar sponges sop up and release glucose as needed

Many diabetes patients must inject themselves with insulin, sometimes several times a day, while others take medications orally to control blood sugar. The injections, as well as the side effects from both regimens, can be ...

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