Answer:
lean is illegal and it is a hallucinogenic
As you age, you realize that the way you eat might effect how long you live. Eating too much or too much bad things can give you lots of medical conditions, and you realize that as you get older.
The brain gets used to you taking the drug. Some drugs will affect your neurotransmitters, or messages that get sent to your brain that regulates how we think or feel. You will eventually become dependent on the drug so if you stop you might feel sick or go through "withdrawal". Which people dont want to go through so they will continue to take the drug.
