I guess this post is going to be about the immune system.  I read an article the other day suggesting that having symptoms and getting colds is the sign of a strong immune system.  The logic is that if your system is working properly it is actively fighting off contaminants, thus producing symptoms; sneezes; runny noses; sore throats.  I guess that makes sense, but I have always considered my immune system to be rock solid.  I made this assumption because I don't get sick.  While working in a school for 7 years I had a few colds, but I only got really sick once.  Since living in the Netherlands (for two years) I didn't get sick at all until a few nights ago.  I'm not even sure the sickness from last week counts because I'm certain it was food poisoning.  Could someone with a medical background give me an answer?  Is my seldom having cold or flu symptoms a sign that my immune system is not doing what it is supposed to be doing?  Why is the logic of my initial assumption about the strength of my immune system false?  Is my overall health based on luck?  If it is based on luck, could I transfer some of that luck to other areas of my life, like say, buying lottery tickets?  Perhaps the article I read was designed to make people who often get sick to feel better about themselves.  Do you have any thoughts?

Best
Jim