Well because stress is the number one killer when you are stressed out about the State of affairs and world you have much poorer health.

That would be the reason why cannabis users are always happy and never have too many stresses so they are able to just laugh and have a stronger immune system because of it.

Some important tricks to life like number one if you are more easy going you have a much longer health span.

Really wish somebody would hand out a user manual for being human....