The Antilles (/ Ã¦ n Ë t Éª l iË z /; Antilles in French; Antillas in Spanish; Antillen in Dutch and Antilhas in Portuguese) is an archipelago bordered by the Caribbean Sea to the south and west, the Gulf of Mexico to the northwest, and the Atlantic Ocean to the north and east.
Drug test. For other uses, see Drug testing (disambiguation). A drug test is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/salivaâto determine the presence or absence of specified parent drugs or their metabolites.
The knock on urinary neurotransmitter testing is that it does not correlate with brain levels of these hormones because the urine test is in fact testing whole body levels of neurotransmitters. The very neurotransmitters that exist in our brain to make us happy exist outside the brain to serve the body in other ways.