Having high blood pressure can cause you to have headaches. You should go and get yourself check and if it is not your blood pressure look into other things.
For me it's sinus problems. Where did you read a link to BPD?
Check with your doctor about your gluten in-take. A dear friend of mine had headaches constantly as well. Found out she had a gluten allergy.
i wouldn't think so..Headaches are a separate issue...BPD takes many forms.
Could be your blood sugar levels. Some diabetics suffer from from headaches all day long every day because their blood sugar levels aren't under control.