Is there more to the question? According to the question it has options.
Answer:
Generally latex condoms. There are alternatives, but few are as effective.
Yes it is.
Bacterial Pneumonia occurs when viruses or bacteria that got into our body cause an infection in our lung. In 2015, Bacterial Pneumonia is the 8th leading cause of Death in the United States
i'd say be consistent, like working out everyday, or every other day.
another thing is to plan the goal well