It is a shame that most people are unaware of the efficacy of Homeopathy to treat ADD, ADHD and autism-spectrum disorders. Do some research and you'll see how hundreds of thousands of people have been cured of these ailments using Homeopathy alone.
I don't remember the names, but a whole generation of anti depressants was shown to be completely useless and harmful. The initial studies were fabricated and/or got into journals unethically. The various decade long studies on Ritalin also show it to be largely useless and harmful.
Homeopathy is offensive to people who respect science, but it's a noble lie in the current market conditions.
Twenty seconds on Google Scholar would lead me to the opposite conclusion. Your source?