Smokers Show Higher Risk For Depression. This study helps illuminate some of the interactions between marijuana and dopamine levels, and researchers explained that the reduced responses to dopamine may explain the drug craving, depression, and anxiety symptoms that accompany long-term marijuana abuse.
Quick Answer. Entrepreneurs are important to the economy because they literally generate wealth. Existing companies can only redistribute the wealth and resources the company already has. By starting a new...
Chapter 1 Summary. 1  Marketers are important, but early in a startup you need someone with a narrower focus on growth. 2  The nature of internet products has produced a new way to think about growth. Product features can now be directly responsible for growth.