Tim Andrews, 67, had the organ removed on Oct. 23 because of its declining function, according to Mass General Brigham.

Individual athletes ran an average of 4,000 miles over a year to help define the human body's limit for energy expenditure ...

Even the most elite endurance athletes can’t outrun biology. A new study finds that humans hit a metabolic ceiling at about 2.5 times their resting energy burn. When ultra-runners take on races that ...

Scientists have long hypothesized about a theoretical limit to human energy use. The research, published today in Current ...

The research, published today in Current Biology, showed that ultramarathoners can burn an astounding 11,000 calories per day ...

Even small amounts of bisphenol A can lead to long-term health effects. When researchers studied adult rats exposed in the ...

Parasites, ranging from tapeworms to microscopic protozoa like Giardia, pose significant health threats by infesting humans ...

Lead exposure may have spelled evolutionary success for humans—and extinction for our ancient cousins—but other scientists ...

Researchers from Johns Hopkins Medicine and the Johns Hopkins Bloomberg School of Public Health report that an AI-powered ...

Taking a deep breath restores the ideal “layering” of lung fluids, according to a new experiment.

The study reveals that physically active individuals burn more calories over the course of the day and do not compensate by conserving energy in other bodily functions. The impact of physical activity ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The ...