Secondhand Smoke Linked to ADHD, Depression

(San Francisco Chronicle) UPDATED 2011-04-06
Children and teens who are routinely exposed to secondhand smoke are more likely to develop mental health problems such as ADHD and depression, a new study suggests. The study of 2,901 children and teens found that those who had high levels of cotinine--which is produced when the body metabolizes nicotine--were significantly more likely to show signs of ADHD. Secondhand smoke was also found to be weakly linked to signs of major depressive disorder and generalized anxiety disorder.
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