All of the following are red flags of junk science, except: 

Which of the following best describes a placebo? 

Morbidity would apply in the following situations:

Which of the following is associated with metabolic syndrome?  

Which of the following statements is true about disease prevention? 

Health recommendations should be based on the findings from in vitro studies.  

Which of the following statements accurately differentiates between incidence and prevalence in epidemiology?

Researchers investigated the exercise habits of people living on planets X and Y.  The individuals on planet X exercised only 30 minutes daily and died before age 45.  The individuals on planet Y exercised 10 minutes more daily and lived to be 90.  All of the following statements are true about the study, except: 

Which list of risk factors is most associated with heart disease?  

Some microbes are beneficial for human health.