What are characteristics of people who are more flexible than others?

Darren was recently ticketed for speeding over 110 mph on the freeway. when the police officer stopped darren and asked him why he was going so fast, he replied that he was "king of the world." the month before this, darren felt sad and listless and had trouble getting up the energy to go to school. he probably suffers from:

What is the type of contaminant that can cause foodborne illness

What type of risk factor for underage drinking includes gang presence and income inequality