Life is too short to worry about it
For past couple of years I have been making blueberry smoothies. I wasn't to shocked to find out that frozen blue berries from the US have a larger amount of pesticides than fresh strawberries. I was shocked to find out that these pesticides contain chemical compounds that increases my child's chance of having ADHD by twice as much. I found some articles from MSNBC, Maclean's magazine and USA Today.
There is also the well publicized claim from Gwenith Paltrow about shampoo and the connection to ADHD. Scientist were quick to denounce her claims, but those same scientist posted that there are no environmental causes for cancer. I don't know what they have been reading.
My concern is that my little guy is now in the school system and several symptoms for ADHD are similar to how he and all his active, healthy friends act on a regular basis. In fact when I was in elementary school we all had some of the below symptoms. I do remember going to the principals office more than once but he never offered me a pill.
A person with ADHD may have some or all of the following symptoms: