I have been eating Sauerkraut for several years. Over this time I found that I had less colds and if I did get one it passed quickly and in some cases I just got a headache for a day with loss of appetite. This summer I decided to do an experiment and avoid eating it for a while and monitor my response. In September when all the children went back to school (I have 2 boys at secondary school) I got a cold. It took 2 weeks before the mucous subsided and I had low energy for th