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.
First, consider your daughterâs health. Wearing thongs has been associated with recurrent urinary tract, vaginal, and bacterial infections. The most common type is a yeast infection, which is nasty and itchy but not terribly dangerous, but some infections can have long-term implications including infertility.