To Learn About Obesity, Researchers Turn to Grizzly Bears
On a recent visit to a laboratory where he researches obesity, Kevin Corbit walked over to one of the patients he is studying to say hello. He believes insights gleaned from the animals, who can take in as much as 58,000 calories in a day and weigh 1,000 pounds, could reshape understanding of obesity and identify new treatments for a condition that has stymied doctors and drug developers.continue reading
Dogs May Guard Babies Against Asthma, Allergies
Researchers say they've discovered why infants who live in homes with a dog are less likely to develop asthma and allergies later in childhood. The team conducted experiments with mice and found that exposing them to dust from homes where dogs live triggered changes in the community of microbes that live in the infant's gut and reduced immune system response to common allergens. The scientists also identified a specific species of gut bacteria that's crucial in protecting the airways against allergens and viruses that cause respiratory infections.continue reading
Limits of Vitamin D Supplements
A large review of studies has found that vitamin D supplements have little or no benefit beyond the low levels required for bone health. continue reading
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