The answer would be the third choice, <u>a study printed by the American Health Association.
</u><u />Hope this helps :)<u>
</u>
i'd say be consistent, like working out everyday, or every other day.
another thing is to plan the goal well
Know your partner and limit your number of partners, by having multiple partners you will have a higher chance of getting STIs. Use a latex condom, by using one of these you will lessen your chances of getting an STI greatly
