physiology

Human data and experiments in mice challenge the common use of anti-inflammatory drugs to treat pain.

Hector Cabrera Fuentes, a renowned cardiovascular researcher, collaborated with Russian intelligence agents for more than a year, prosecutors said.

Researchers determine that a primate’s tooth root, and not just its crown, can yield reliable information about body size, but the relationship between root surface area and diet isn’t as clear.

Nearly all mouse sperm have hooks on their heads. But new research suggests the structures slow them down—so what exactly is their purpose?

Research finds that a high-sugar diet supplied by tourists is giving Bahamian rock iguanas the lizard equivalent of high blood sugar.

A new study reveals a network of neurons that, when disrupted, impairs adaptation to new circumstances in several types of dementia.

In Chapter 1, “Survival,” author Anna Machin describes the health benefits of strong human bonds.

Local heat therapy induces browning of adipose tissue in mice and humans, a study finds, suggesting it could help treat obesity—though some experts have reservations.

A study identifies a gene that appears to be partially responsible for the health effects of a limited diet.

Multiple clinical trial participants who have severe spinal injuries were able to stand, walk, and perform specific activities after just one day of using an implant surgically embedded in their spines.

An epigenome-wide association study found more than a dozen methylation changes in placental DNA that correlated with expectant mothers’ self-reports of depression and stress during their pregnancy.

By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.

A new chemical treatment allowed African clawed frogs, which normally don’t regenerate limbs, to regrow functional hind legs following amputation.

Signals from sweeteners and sugars are relayed from the gut to the brain by different neural pathways, a new study concludes.