sometimes I like to take a pencil and an empty electric sharpener and just sharpen pencils until there is no more pencil to sharpen. Am mentally ok?

If an older person went to the doctor with a fever, chills, body aches, and a cough, what would the doctor most likely suspect the person has?

Alcoholic hepatitis and cirrhosis are conditions affecting the

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?