stress
Music calmed stressed bodies faster than water sounds in a brain-scan study
In 120 volunteers put through timed mental arithmetic, relaxing music brought heart rate and sweating down faster than soothing water sounds, but only when…
The 10-minute birdsong reset, and why traffic cancels it
Two 2026 studies found 10 minutes of birdsong raised heart-rate variability and improved mood, and that road noise below WHO limits erased the gain.