Dopamine, the main chemical involved in addiction, is secreted from nerve tracts (神经束) in the brain following a rewarding experience such as finding food, clothing or shelter. Nature has designed our brains to feel pleasure when these experiences happen because they increase our odds of ...
regular weekly trash pick-up. Also, we occasionally pick up bits of trash recyclables lying in the street during our evening walks around the neighborhood. Additionally, I'm lucky in that I work relatively close toEco-Cycleso it's easy for me to drop stuff off on my way into the ...