[ben_w]

It might be spurious or not — antibiotics are known to cause weight gain, but I don’t know even vaguely enough about chemistry or biology to know if the quantity of antibiotics in either the environment or the human food chain is high enough to have a noticeable impact.

[Ueland]

Antibiotics is basically chemotherapy but for bacteria, killing a lot of the good bacteria in your guts causes all kinds of havoc.

I've only had to use it twice in my life, one time as an adult. I then forgot to also take probiotics at the same time, had stomac issues for weeks after the treatment.