

It’s also just generally easier for first-time users to start using. For anyone curious, their little “feeds” of communities you can follow in one go by topic are super handy.
For example, if I subscribe to the activismplus feed, I automatically subscribe to communities like antiwork, solarpunk, socialism, leftism, anarchism, unions, antifascism, human rights, left urbanism, etc, from a number of different instances all at once.
For a first-time user, it’s easier to pick a topic they’re interested in and automatically be following all the relevant communities across most instances, rather than subscribing to communities one-by-one over a very long period of time.
Maybe, but it seems more like it’s likely due to genetics, and exposure (or lack of exposure) to given environmental compounds, whether it be those that cause asthma directly, or those that could cause the body to develop resistance to developing asthma.
https://en.wikipedia.org/wiki/Asthma#Causes
However, a lack of strenuous activity could be correlated with obesity, from which: