There's been some suggestive study's in closed systems that have shown it to be possible. The problem is, there's also suggestive studys that show the opposite that's why it's still debatable, but plausible.
I think it goes back to a very old saying "everyone's system is different, do what works for you" lolThere's been some suggestive study's in closed systems that have shown it to be possible. The problem is, there's also suggestive studys that show the opposite that's why it's still debatable, but plausible.