This bothered me even back in college in the 1970s. One professor hated the "third person" rule and the passive voice even more. "Some subjects were excluded for undetermined reasons." Yeah, who did that? Who? Someone must have determined that!
I remember my mother watching General Hospital before I started first grade. The big drama was whether Dr. Hardy would marry his nurse Audrey. And there was a teenager named Angie who was pregnant... quite the scandal.
Anything that goes away on its own in a few days will gather home remedies like a snowball rolling down a hill, since people can say "I tried this, it worked!"
They found microchimerism in my mother when she underwent cancer treatment, a remnant of my younger brother. But I most likely have none at all, since I am the oldest child, my mother was the oldest child, and her mother was second to a sister. And I've never been pregnant.