 It isn't the only factor on boosting your immune system and being healthy, but it's a big one. Great information and all of this and so much more on Dr. Susan's website. That is very simple. Again, her name is SusanSmithJones.com. Information and a link on our website, ThisWeekInAmerica.us. Great common sense advice to sort of limit, have this understanding, consider it to be a splurge from time to time.