Sims can buy antidotes, the flower of death, the waterfall in a bottle and all the other useful jungle adventure stuff via the drop down menu where they can also buy tents, lamps and other stuff for camping.
Unfortunately, the eco sunrays and aurora borealis are completly broken at the moment and cause severe lag. That's why I finally decided to completely disable those effects.
I'm well aware that there is already a similar mod available on MTS, but as this one marks uploaded lots in the galery as using CC, I decided to share my own version which does not have this flaw.
Mod for rotational playstyle: When you have two teenagers who are either significant others or promised to each other, they will now be able to do some romance interactions when one of them ages up to young adult. Note: The kissing and make out animations are a little off (see picture), so there are addon packages to disable these for your teen-young adult couples.