A recent study from John Hopkins University found a correlation between mothers who took Tylenol while pregnant and babies with developmental disorders, but researchers have yet to prove whether the drug was the cause of the neurological differences.
Research shows children with 16p11.2 deletion or duplication have a higher chance of having a psychiatric disorder.
Eidelman defended his move to supply marijuana to the toddlers because he was "given small amounts of medical marijuana" and therefore, he told the panel, the danger was minimal.
The boy's mother posted video footage of the incident on Facebook.
"Remarkably, however, over the last ten years Mr. Choochongkol has primarily relied on his participation in human drug trials in order to support him and his wife."
The drugs used to treat ADHD increase the risk even more.
There were significant increases in calls to poison control centers for children and young adults who were exposed to ADHD medication.
One child, on seven different psychotropic drugs at once, developed tremors and required institutionalization.
Most who abuse stimulants report getting them from friends and family.
Those who give away their drugs are at an even greater risk.
A video game that could replace drugs for mental illness will have to wait years before the FDA approves it.