Although exercise is the best way to do that, there are other ways.
Practice controlled breathing exercises, which are easy to do from the comfort of your home.
One is where you take a few small breaths in and one large breath out. Keep doing this.
Breathing exercises are also relatively easy to find on the internet.
I think its true
Hope this helps :)!
The host that is "carrying" the disease.
The answer is letter a because that is very true if you get hooked on that it can and most likely will lead to death.