Interesting. I think I got through puberty with an average or slightly below average level of acne / pimples. But my (rather large) nose is a goddamn pimple factory that refuses to subside with age. Still going strong halfway through my 30's. Not usually large / overly noticeable pimples, but small ones pretty much all the time.

I do have one complaint about the video though -- their discussion of the subject at hand is pretty much precisely 3 minutes long, then immediately followed by 38 seconds worth of shilling for Gates Foundation stuff. That may very well be a good cause, and maybe this isn't a paid advertisement for it, but it definitely falls into the category of bait and switch that is getting WAY too common in YT videos.

A) Make that segue clear, don't rush over it to try to hide it and then pretend like nobody will notice.

B) Announce clearly if you are shilling for it because you think it is a good cause, because you are getting paid or otherwise having your back scratched, or both.

C) It is a *bit* cheeky to have the ratio of content vs "special message" as low as 3 minutes vs 40 seconds.