The distinction between organic and inorganic carbon compounds, while useful in organizing the vast subject of chemistry... is somewhat arbitrary. Organic chemistry is the science concerned with all aspects of organic compounds. Organic synthesis is the methodology of their preparation.
No, it is not possible to contract the typical STDs, such as syphilis, gonorrhea, chlamydia, hepatitis B, etc. from wearing someone else's dirty underwear. However crabs and scabies, may be spread in this fashion.
With sexually transmitted diseases, you often can't tell whether your partner has been infected. If you're not sure about yourself or your partner, you should choose to not have sex at all. But if you do have sex, be sure to use a condom that covers the entire penis to reduce your risk of being infected.ith sexually transmitted diseases, you often can't tell whether your partner has been infected. If you're not sure about yourself or your partner, you should choose to not have sex at all. But if you do have sex, be sure to use a condom that covers the entire penis to reduce your risk of being infected.