The study separates tobacco only and nonsmokers, but doesn't separate out marijuana only smokers. Maybe it is a little difficult for them to find pot smokers that don't smoke tobacco but isn't this a little dishonest?
Professional shyster making something like the Georgia guides tones or golden tablets to "discover" and then use as the basis of a religion, is the first thing that comes to mind.
What kicked off my now nearly four years without drinking was an initial four months of intensive breathing mindfulness exercises from thich nhat hanh's book and at least one hour a day on an encompassing project, in my case really learning some 555 timer circuits.
The full article is available on scihub. There were some interesting bits about the pseudopatients being randomly given a lot of medication and flushing it along with many of the other patient. Another section mentioned that many of the patients could tell that the pseudopatients did not belong while the staff of the 1973 psychiatric hospitals could not.
I'm not totally sure what you mean about meditation myth. I gain concrete mental and emotional benefits, noticed after sessions, and so I continue. I assume increasing this to more parts of my life will continue to do helpful things.
In the situations where you are supposed to manually sign and scan a printed out pdf, this way instead you can paste your signature with transparency onto it, reform as pdf and then make it looked scanned.
I am all for diy in almost all situations but this one. I even roll my eyes at people warning about safety in high voltage projects. Don't do this yourself.