An author's credentials can determine a health source's credibility. None of the other options would apply to credibility. When it comes to health, if you want to make sure that what you are researching or reading is authentic and reliable you need to find out whether the author is a professional health expert or not. You can do this by finding out their credentials.
Answer:
theories of the etiology of mental illness: supernatural, somatogenic, and psychogenic.
Explanation:
It would be “ It may alter cognitive ability to choose foods wisely.” Because it is talking about it may lead to decreased nutritional status.