What are psychoactive drugs ? Add a note Marijuana and opium.

Explanation

Phytochemical / drugs from some of the plants an individual.s perceptions of mind by producing hallucination are known as psychoactive drugs .
Opium poppy
Botanical name : Papaver somniferum
Opium is derived from the exudates of fruits of poppy plants. It was traditionally used to induce sleep and for relieving pain . opium yields Morphine , a strong analgesic which is used in surgery. However , opium is an addiction forming drug .
cannabis / Marijuana
Botanical name: Cannabis Sativa
The active principle in Marijuana is trans - tetrahydrocanabinal (THC). It process a number of medicinal properties . It is an effective pain reliever and reduces hypertension. THC is used in treating Glaucoma a condition in which pressure develops in the eyes.
THC is also used in reducing nausea of cancer patients undergoing radiation and chemotherapy .
THC provides relief to bronchial disorders, especially asthma as it dilates bronchial vessels. Because of these medicinal properties cultivation of cannabis is legalized in some countries . However , prolonged use causes addiction and has an effect on individual.s health and society .