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.
some are spread by contact with bodily fluids while others are spread by skin to skin contact. In general, research shows that condoms are most effective in preventing those STIs that are spread. by bodily fluids, such as chlamydia, gonorrhea, and HIV. Condoms also can reduce the risk of. contracting diseases spread by skin-to-skin contact, such as herpes and HPV. However, condoms only.