Answer:
Having HIV test before marriage reduces the risk of transmitting it to another partner
Alcoholics Anonymous helps people admit they have a problem. In most cases people don't want to admit they have a problem with alcohol. Being in this kind of program helps the individual(s) take steps to deal with their addiction. These kinds of programs also provide people with support groups. In most cases the support groups have other individuals with the same problem, these people understand what everyone is going through and they don't judge others.
Hopefully this gives you a general idea of what Alcoholics Anonymous is.
D) Weightlifting
Weightlifting would not complement her current workout routine because she is working to improve her flexibility. By adding weightlifting to her routine she would only be increasing her strength and muscle mass.
The brown stuff is called plaque. This forms on your teeth when you eat and its something you can't get rid of. There is tooth paste that can help maintain it.