HN
Hacker News
Top
New
Best
Ask
Show
Jobs
Comment by arunc | Hacker News Reader
Full thread
arunc
·
HRV breathing has improved my memory and cognition.
View on HN
wainstead
·
Had to look this up… here’s a starting point:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5575449/
Reply on news.ycombinator.com