No doubt that everything in this article is right but maybe there is another secret involved, except from pleasant physical activity.[and not the cheder kosher!-gym room]
Probably being often between flowers [and “vegetables”] which are spreading ethnic oils in the air ,may have major effects [idea from Heinerman,antropologist]
It has been shown in the Covid-19 time how much spending time in pine-cypres tree parks can be beneficial!
Etheric oils [essential oils] are major medicines and probably THE medicines of the future as well as medical fungi,