Our diet may be our big problem to cancer. Few of us eat what our bodies have adapted to thriving over long haul of history and we pay the
consequences with cancer for the crap we eat. We can still obtain the rights food but its more expensive, organically raised crops and preservative
free food is around, if not at the grocery store then look at the health food store.
I dont think smoking is as big of a problem as some doctors make it to be but it does increase the risk. I kind of believe that in our increasingly
dirty world that a little smoking here and there will help prepare our bodies for breathing more carbon monoxide and particles in the dirty modern
world.
to the fact that humans over time have been slowly degradeing. (think of photocopying a photocopy from a photocopy, every previous error is repeated
and more develop
I don't know if its fact, but if its true it means that a small precentage of our 6.3+ billion will develop mutations that prove to be benefecial,
the rest will just face shorter lifespans and possibly mental delays.