Having unprotected sex increases your chances of getting HIV. Smoking does not.
Chances are low to be infected with HIV in this manner.
Yes. There is also preejaculate and other fluids.
Yes, HIV can be transmitted by vaginal lubrication/vaginal fluids as well as preejaculate.
The same as someone uncircumcised
one in five
Pretty good especially if she is having unprotected sex with him.
It is not likely to get HIV this way. Chances will increase if the person has a cut in their mouth or their gums are bleeding (blood is a carrier of HIV).
A woman is just as likely to get HIV from a military man as she is to get it from someone who is not in the armed forces.
Chances are pretty good.
The chances of becomming infected with the HIV virus are always highest when no condom is used. Whether or not the woman has her period is less of an issue. However, bear in mind that the HIV virus is found in high concentrations in the reproductive areas.