Abstract: Prenatal assessment of fetal development is primarily carried out by measuring fetal heart rate (HR) and HR variability (HRV). HRV has been used as an index for the autonomic nervous system ...

These days, it may seem like there’s a million different data points that you’re supposed to keep track of—hello, steps, sleep, and recovery scores!—and it’s difficult to know which ones are worth ...

A post hoc analysis found that the effect of transcutaneous auricular vagus nerve stimulation (taVNS) on cardiac and inflammatory stress responses was critically dependent on variability in baseline ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

The economy has had a volatile year marked by ongoing headwinds and uncertainties. Persistent inflation, unpredictability around tariffs, and a stock market that many fear is in the midst of an ...

Liquid biopsy is increasingly recognized as a promising tool for cancer detection and treatment monitoring, yet its effectiveness is often limited by the extremely low levels of tumor-derived DNA ...

For a number of Asia’s emerging-market currencies, the widely expected Federal Reserve interest-rate cut in December may come just in time. Fed easing would help India’s central bank by reducing ...

Arkansas to become first state to cut ties with PBS: 'Not feasible' Scripps News obtains body camera footage of DC pipe bomb suspect Ryan Seacrest fans rally around him after seeing his emotional ...

This article was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. Earlier this year I got an Oura ring to track the state of my health. Soon ...

A new study from Swedish researchers found that short-term exposure to both low and high ambient temperatures increased the risk of death among heart failure patients. Research published in JAMA ...

When Nancy Pelosi first ran for Congress, she was one of 14 candidates, the front-runner and a target. At the time, Pelosi was little known to San Francisco voters. But she was already a fixture in ...