They would simply die and not pass on those genes. Dear friend from kindergarten went that way. Also, and maybe more important, we have air pollution that was unthinkable 200-years ago.
To top it off, we humans were generally in better shape, and non-fat. I was having pretty bad lung problems, on the edge of full blown illness, when I started working my ass off outdoors at Lowe’s. Within 2-weeks my lungs were straight again. That work also cured a few other ailments. OTOH, had to quit as I was getting my ass beat.
They would simply die and not pass on those genes. Dear friend from kindergarten went that way. Also, and maybe more important, we have air pollution that was unthinkable 200-years ago.
To top it off, we humans were generally in better shape, and non-fat. I was having pretty bad lung problems, on the edge of full blown illness, when I started working my ass off outdoors at Lowe’s. Within 2-weeks my lungs were straight again. That work also cured a few other ailments. OTOH, had to quit as I was getting my ass beat.
U gonnna have to elaborate on that
I think they just mean they weren’t very good at it