Which of the following is true about the relationship between environment factors and ADHD?
A) Because ADHD runs in families, environmental factors have no impact on the disorder.
B) Prenatal teratogens can combine with certain genotypes to greatly increase the risk for ADHD.
C) A stressful home life usually causes ADHD.
D) There is no correlation between stress factors in the home and ADHD.

Question

Quizplus · Accepted Answer

While genetics do play a role in the development of ADHD, research has shown that environmental factors can also contribute to the disorder. Prenatal exposure to teratogens such as alcohol or tobacco, in combination with certain genotypes, has been shown to greatly increase the risk for ADHD. Other environmental factors such as lead exposure, traumatic brain injury, and stress in the home may also play a role in the development of ADHD. However, it is important to note that these factors do not necessarily cause ADHD, but rather increase the likelihood of its development.

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