I don't know about ADHD, but for autism they've done brain scans of children in utero and can already see at that point a difference in brain development. I don't think vaccines are completely to blame for that one unless it's the flu vaccine that mother's get while pregnant.
I don't know about ADHD, but for autism they've done brain scans of children in utero and can already see at that point a difference in brain development. I don't think vaccines are completely to blame for that one unless it's the flu vaccine that mother's get while pregnant.