Question

question 5 of 30 which of these is a reliable source of information about whether large doses of vitamin c prevent colds? a. an interview with a doctor who uses it to treat her patients b. a report in a journal that uses a peer - review system c. the website of a pharmaceutical company that makes vitamin c d. a best - selling book written by a nobel prize - winning scientist

Explanation:

A reliable source for scientific/health information should be unbiased and peer-verified. Peer-reviewed journal reports undergo expert scrutiny, ensuring validity. Other options may have biases (pharmaceutical company, profit motive) or lack rigorous review (interview, book).

Answer:

B. A report in a journal that uses a peer-review system