Not into weed, never was, even though a child of the 60s. Never turned on or tuned in, but did drop out & enlist in the Nuclear Navy during Nam.
Sound medicinal or therapeutic uses make sense, & research should continue.
However, recreational or experimental use of mind & mood altering drugs is very risky. I knew a number of souls who altered their consciousness & never recovered, yes, even on grass. Habitual pot robbed them of their motivation and ability to face the challenges of daily life, just like alcohol or other drugs can. Many others did just fine, and have (had) accomplished, rewarding lives like Carl Sagan.