Parcel Select. Parcel Select is an economical choice for large or heavy packages and is the only USPS service that can be used for packages over 108 in girth. Cost is determined based on the distance, weight and dimensions of the mailpiece.
Definition of dopamine. : a monoamine C8H11NO2 that is a decarboxylated form of dopa and that occurs especially as a neurotransmitter in the brain.
Dopamine is a natural hormone produced in the human brain that plays an important part in regulating your mood, emotions, ability to deal with stress, anxiety levels and sleep patterns. Dopamine levels also enhance your decision-making ability and control cravings.