Hello there.
I can understand your concern.
No it doesn't.
Kindly analyse your diet.
May be you will find something in your diet which might be a cause of it.
Read about fistula online, there are excellent articles on the net. You will know the cause.
Green tea doesn't cause.
Best regards.
Dr. Anil Kumar Jain.
Bangalore.
Answered2017-07-23 23:46:12
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