I see Filipinos slowly moving in the same direction as yours. But poverty, lack of money for western style MDs and hospitals save Filipinos so they turn to alternative healers in their provinces.
Wow, you know something about Banaba for kidneys. I personally like boiling avocado leaves into tea. It tastes way better than Banaba, it tastes really great, but you have to drink more to get the same kidney cleansing effect. Young coconut juice works well too, especially the pink ones.