Our guts are filled with bacteria Fiona.. just so you know. There is an optimum balance of different kinds of bacteria in our GI systems. As far as parasites.... most times.. like almost ALL of the time one has diarrhea with them.. not constipation. So if you are tending more towards constipation...chances are a parasite isn't to blame.H PyloriHere is some info:http://digestive.niddk.nih.gov/ddiseases/pubs/hpylori/You would know you had it if your Dr did an endoscopy and took biopsies and found the bug upon analysis of the biopsies.
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