No. You can only get a STI if the person licking you have one and even then it's rare to get it from someone licking a penis. And FYI, sexual acts with a animal is legally bestiality and animal abuse.
mastrubation
No it does not.
Just Stop.
Stress relief
Masturbation doesn't do any damage.
There is no best way. It is whatever you find suitable.
some stds may cause cancer stds areexpensive to manage some stds can cause death
The cause of STDs is unprotected sex.
The abbreviation for studies is "studies" or "stds."
Did the dog carry human STDs?
It is unnatural and thus Haram in Islam. Islam lays great emphasis on marriage.
Two categories of STDs are "curable" and "incurable." Of the curable STDs, the causes may be bacterial or parasitic. The incurable STDs are viral.