There are people that get cured of dp/dr by curing their chronic sinnitus. Probably some part of people has it as symptom of some ilness. There are several diseases that are linked to dp/dr like lyme,mold,gbs, heavy metal toxicity like mercury toxicity, chronic sinnitus etc. Take a look at this post when it comes to flu http://www.dpselfhelp.com/forum/index.php?/topic/77210-recovered-after-5-years-and-a-half/