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Is There a Link Between Adult ADHD and Food Additives and Pesticides?

Could my adult ADHD symptoms be caused by food dyes or pesticides?

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A U.S. Food and Drug Administration (FDA) panel recently examined the research regarding food dyes and ADHD. They concluded that food dyes and other additives may make ADHD symptoms worse for certain children who are susceptible to this effect. In addition, some research has found that eliminating food dyes from the diet may help decrease symptoms in some children.
However, for most children, there is no proven effect of food dyes on ADHD symptoms. It is not known which children may be more susceptible. Based on current research, the FDA determined that food dyes do not appear to cause ADHD.
It is unknown if the results of studies of food dyes on ADHD in children can be generalized to adults. Perhaps the effects of dyes are only seen on developing brains. Or maybe children who are sensitive to dyes grow into adults who are sensitive to dyes. Because there's little harm in trying to avoid food dyes to see if it makes a difference for you, it might be worth a try.
Some studies have found that children who had a higher level of pesticide exposure (often measured by pesticide breakdown products in the urine) were more likely to be diagnosed with ADHD. It is unknown, however, if pesticides actually cause this condition or if some other factor may explain both the higher pesticide level and increased diagnoses of ADHD. It is unknown if a similar link can be made between pesticides and adult ADHD. In any case, experts recommend that fruit and vegetables be washed thoroughly before peeling or eating to decrease possible exposure and to limit exposure to household pesticides.
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