Just thinking about how it seems like we are just starting to realize the full magnitude of how bad plastics are both for the environment and for human health%20and%20reduced%20fertility.)
Also thinking about the studies showing that cooking with gas stoves can be extremely bad for you.
What are some things you know about that aren't widely known to have similar ill effects?
Regular yogurt doesn't take more milk to make than just drinking the volume of milk you'd use to make it, the recipe for it is just "boil milk, add a bit of yogurt you already have as a culture starter, and wait"