You have questions as do lots of other people, we try answering them all. Not really, but hopefully this video gives you some insight and entertains you. You can find the source video by clicking here 

We're not doctors, just cancer patients who take too much interest in cancer stuff, so take all of this for whatever that's worth.  Follow Leanna House on most social media as @thankscancer and check ou the Thanks Cancer! podcast that she hosts with Mimi Hall.