Miguel walks a few days a week and trains with weights for two days a week. He is considered sedentary. True
False

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

What are three major influences on whether someone starts to use tobacco

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?