The LionBrand blog has put together a list of 31 ways knitting and crochet helps you be happy and relaxed. They have collected reports from various organizations, which cite scientific research to validate what most knitters and crocheters already know. That these activities help you be organized and stay active.
This is not just another roundup. It’s scientific fact reporting backed by research. So take it seriously
If you need more validation, you can simply go and read all the 31 reports here: LionBrand collection of reports.