I've always had a lump on my balls, like since when I was a kid. I think it's just where my vas connects? I don't feel anyone else's balls so I have no idea whether this is normal or not. I suspect there's a lot of other men (and if this study is to be believed, a lot of fellow spacemen) in the same situation.
”Some risk factors during adolescence and adulthood have also been described, such as having an occupation as a fire-fighter, working with aircraft maintenance and marijuana smoking”
Firefighters and aircraft mechanics get exposed to high levels of PFAS, but what is the devil’s lettuce doing here?
Last I saw epidemiological data, cannabis smokers had a slightly lower odds ratio for lung cancer (<1.0) than non-anything-smokers (=1.0), while tobacco smokers had an OR in the high single digits (>8.0)
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