What can lead up to obesity and what are problems that could occur?

When it comes to our health and the treatment of diseases, technology has had a effect. a. very negative b. neutral c. positive d. negative

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?

Caleb has poor eyesight from cataracts. which drug is caleb most likely abusing