Follow
Share
This question has been closed for answers. Ask a New Question.
Find Care & Housing
That's an interesting question. Just Googling it, it looks like a small percentage of cases are due to a genetic defect that apparently is hereditary, but in the majority of cases it is not hereditary.
Helpful Answer (1)
Report

This question has been closed for answers. Ask a New Question.
Ask a Question
Subscribe to
Our Newsletter