Marijuana:
Seventh graders should know that the drug is the least harmful drug ever. Marijuana has caused no deaths and yet is illegal in many places. It has no horrible effects to your body and brain like other ecstasy and cocaine. Alcohol is more dangerous and has caused more deaths than marijuana and its legal why can't marijuana be too since its way less dangerous?!
Back to front! The prefrontal cortex is the last to develop at around age 25.
He believed that disease was caused by physical and environmental factors that could be studied.
