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 ...

The seed oil versus animal fat debate has gone from a niche topic among wellness influencers on social media to an entire movement. Perhaps you've already heard of the "Hateful Eight" — not the movie, ...

Obesity elevates the risk of at least 13 major cancers, including those of the breast, colon and liver. It also impairs immune responses that target tumors and are stimulated by cancer immunotherapies ...

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 ...

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 ...