A boundary is emerging for the most seasoned endurance athletes. Beyond apparent performances and records, their bodies seem ...

A new study shows that even elite athletes have a metabolic limit, with ultramarathoners unable to sustain extremely high ...

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

Scientists tracked 14 elite endurance athletes for a year and found a metabolic ceiling: no one sustained more than 2.5× ...

A research team at the Max Planck Institute for Chemical Ecology has successfully combined single-cell RNA sequencing (scRNA-seq) and single-cell mass spectrometry (scMS) analysis on the same plant ...

The number is much smaller than previous research, which estimated metabolic ceilings as 10 times your BMR. And while extreme ...

The dark blue circles on the left side of the graph show the direct measurements of calorie burn during training and racing.

Researchers linked a new PFAS chemical, PFHpA, to worsening liver disease in teens with obesity, raising fresh concerns about hidden toxins.

While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5 times the metabolic rate needed for basic body functions.

Exercise reprograms molecular pathways in the body, offering new clues for future disease prevention and treatment. For years, it has been well established that regular exercise builds strength, ...

Scientists at the Keck School of Medicine of USC, working within the Southern California Superfund Research and Training ...

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