Interesting. Drug abuse, poverty and crime exist cuz this system we live in is unjust. Religion could be used to solve this if the system was based on it, but it is not.
Absence of proof of existence does not mean proof of absence. God is metaphysical. Why would you be looking for physical proof?
Frankenstein and count Dracula are from the imagination of man, scripture is not.
Pork is high in saturated fat and cholesterol and heart disease is related to that. No thanks. Circumcision is not endorsed in the Quran for example; it is an old TRADITION that comes from outside sources. Marriage...you don't have to get married. There is no rule that I know that is against it.