Def from nano plastics.
First hand I've seen stress cause physical changes. Never realized how bad it can get.
The sperm decline coincides with the decline in male jobs which involved being on your feet as a proportion of total jobs.
Feeling ineffectual and not knowing who you can trust seem like pretty major stressors to me.
I wouldn't be surprised if humans have fewer real stressors than ever.
Lack of True Rest//Recovery.
Stress//clinical symptoms of anxiousness, caused or worsened by the above.
Definitely 5G