Ok I googled for 2 seconds
Harmon JW, Aliapoulios MA. Marijuana-induced gynecomastia: clinical and laboratory experience. Surg Forum. 1974;25(0):423-5. PMID: 4439214.
Note the date, 1974 this is as I said very common knowledge, not tryin to sound like a dick but every gyno surgeon out there runs ads on it too. Weed pumps tons of phyto estrogen into your system which in quite a few people has resulted in gunk, I’ve only seen it first hand twice but I’m sure there are plenty of BBers who blamed their gyno on roids solely when weed and/or soy played a significant role. When I use nightly even with nolva I retain more water. I’m not estro sensitive either I can run 750 without any AI nolva and at worst get watery and a lil emotional