Free courses in organic chemistry can be found online that don't require registration or tuition. However, these courses don't lead to college credit. At A fraction of the cost of junior college Study.com provides a pathway to credit through its engaging and short video lessons and self-assessment quizzes.
Sexually transmitted infections can cause severe damage to your bodyâeven death. Except for colds and flu, STIs are the most common contagious (easily spread) infections in the United States, with millions of new cases each year. Although some STIs can be treated and cured, others cannot.
Sexually transmitted diseases (STDs) can also be referred to as STIs (sexually transmitted infections) or VDs (venereal diseases). They are diseases acquired through sexual intercourse (vaginal, anal, or oral sex) with an infected person. The diseases can either be caused by bacteria or virus.STDs that are curable are often caused by bacteria and cured using prescribed antibiotics. Those caused by a virus are incurable but manageable.hey are diseases acquired through sexual intercourse (vaginal, anal, or oral sex) with an infected person. The diseases can either be caused by bacteria or virus. STDs that are curable are often caused by bacteria and cured using prescribed antibiotics.