Lifestyle diseases are caused by a combination of . A.
heredity, unhealthy behaviors, and the environment
B.
lifestyle choices, the environment, and current epidemics
C.
your habits, your diet, and your friends
D.
the environment, your history, and current medications

Anutritional study should take all of the following into account except taste in music. family medical history. work and home responsibilities. lifestyle factors, such as smoking or alcohol consumption.

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?

Which of these contraceptive methods on its own is least likely to prevent pregnancy ? a. spermicides b. condoms c. surgical sterilization d. oral contraceptives