For sexually active adults and teenagers, the risk of getting a sexually transmitted disease (STD), sexually transmitted infection (STI), or venereal disease (VD) is fairly high. The American Sexual Health Association estimates that one in two sexually active persons will contract an STI by age 25. Additionally, the CDC estimates that over 20 million new STIs are contracted each year from individuals between the ages of 15 and 25. However, some adults may associate an ...