Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

I was about to ask if anyone used one and noticed improvements. To me these mental apps sound like a scam.


Studies suggest they work very well for some users. https://pubmed.ncbi.nlm.nih.gov/32480319/




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: