The recent fires ravaging Los Angeles have highlighted the dangers faced in firefighting — winds, fast-moving flames, smoke, chemical fumes — but it turns out that one of the most ...
Because substances of abuse act directly on the reward ... pleasure molecule,” but it is more correctly defined as a chemical that underlies motivation. It focuses attention on and drives ...
Around the world and in the U.S., nicotine is the most widely used addictive substance; tobacco causes a reported 40 million deaths worldwide. According to the National Institute of Drug Abuse ...