The problem of obesity isn't confined to just humans. A new study finds increased rates of obesity in mammals ranging from feral rats and mice to domestic pets and laboratory primates. Americans have ...

A study comparing the effects of SARS-CoV-2 infection in lean and obese primates found different long-term consequences of the virus depending on prior obesity and metabolic disease. Subscribe to our ...

Photographs of lungs from animals that exhibited minimal and more severe lung pathology 6 months after infection with the delta variant of the SARS-CoV-2 virus, with a corresponding histological image ...

Most obese patients grow resistant to satiety signals from the hormone leptin. A new study shows that leptin sensitivity can be restored in mice, leading to weight loss. Worldwide obesity rates have ...