Which one of the following statements provides the best hypothesis to explain why some racial and ethnic groups are more likely to be diagnosed with PTSD than others?
A. Individuals from ethnic groups with a high prevalence of PTSD are more likely to join the U.S. military, which puts them at risk of PTSD.
B. Individuals from ethnic groups with a high prevalence of PTSD have abnormal activity in parts of the brain that are associated with PTSD.
C. Individuals from ethnic groups with a high prevalence of PTSD are more likely to live in environments that are uncontrollable, which puts them at risk of PTSD.
D. Individuals from ethnic groups with a high prevalence of PTSD inherit a combination of genes that puts them at high risk of PTSD.
Answer: C
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