Originally Posted by aka123

There are usually diminishing returns in pretty much everything. The "easy stuff" has already been invented. When enough good hygiene was a break through in the past, it is not as easy to have similar results just pouring billions to some research. Actually even the good hygiene part was fucked up by overdoing it. Very big part of our problems/diseases are because of too sterile environment. There aren't just diminishing returns, it turns to negative returns after certain point.