As people age, the chemical signaling pathways in muscles become less potent, and it gets harder to build muscle and maintain strength. But the health benefits of strength training only increase with age.
Months not eating or moving don’t result in muscle wasting and loss of function for animals that hibernate. New research found gut microbes help their hosts hold onto and use nitrogen to build proteins.
You’re working out, feeling great – until your stomach starts to churn and you’re sidelined with a bout of nausea. Here’s what’s happening in your body and how to avoid this common effect of exercise.
Michael Gurven, University of California, Santa Barbara and Thomas Kraft, University of California, Santa Barbara
‘Normal’ body temperature has declined in urban, industrialized settings like the US and UK. Anthropologists find the trend extends to Indigenous people in the Bolivian Amazon – but why?
When you read in the back seat of the car, your eyes tell your brain you’re still. But your ears can sense you’re moving. Your eyes and ears are having an argument that your brain is trying to settle.
Trying a new exercise routine? Strapping on a new wearable monitor? An expert in human physiology explains the ins and outs of your heart rate and why it’s a valuable number to understand.
Emerging evidence suggests that prolonged stress exposure can accelerate the ticking rate of an internal cellular clock. By doing so, stress can contribute to faster ageing and body deterioration.
Sit down to Thanksgiving dinner ready to amaze your companions with physiological facts about why different cuts of the turkey have different characteristics.
New research suggests the clitoris is equally as important for reproduction as it is for sexual pleasure. But the evidence behind that claim is up for debate.