What is obtained from the plant Erythroxylum coca and mention its effects on human body?

Explanation

Coca alkaloids or cocaine is obtained from the coca plant a native to South America.
It is obtained from dry leaves and branches of coca plants.
It interferes with the transport of the neurotransmitter dopamine.
Cocaine commonly called coke or crack is usually shorted.
It has potent stimulating action on central nervous system, producing a sense of euphoria and increased energy .
Excessive dosage of cocaine causes hallucinations, sleeplessness and obstructs hunger.
Atropa belladonna and Datura plants also cause hallucinations.
The abuse of cocaine leads to severe headache, seizures or heart failure or failure of respiratory system leading to death.