Although there is a possible link between autism and SSRIs there is not any significant link with mental illness! It is definitely something to look for in coming research.
Urushiol is the reason for those itchy rashes one gets when coming into contact with one of these plants. The oil found in the leaves, roots, and twigs of poison ivy and its cousins. Click here for some tips for avoiding the itchy-scratchies.
There was a study done that included that information!