1. Sedative By Group 3

2. 英文！ Sleeping pills, This product is white or white crystalline powder; odorless, sli ghtly bitter taste. Almost insoluble in water, soluble in hydrochloric acid. Cas e of acid or alkali and heat easily hydrolyzed, oral medication in the open- loop effect of gastric acid into the alkaline gut again ring the synthesis of the original drug. Therefore does not affect the drug bioavailability. Compensat ory rebound after mild anxiety, withdrawal, withdrawal difficulties light. Resid ual effects are less severe. Safe range.

3. -F-First found by John Cade, the results was first published in 1949. He used cavies and the urine from mental patients to made an experiment and found Lithium could calm down excited animals. -A-Adelaide and Dyke discovered chlorpromazine in 1950, it was used after operations or for calming down the patients (the first real depressant). -B-Barbitone in later years -P-Paxel is used more and more widely. How to find it?

4. Barbiturate Sedative · Better sleep. Easing anxiety state. · Side effect ： People can be addicted. Chemical poisoning. Hallucination. Hurting your brain and memory.

5. --The most dangerous drug in the world ！！！ Borrachero Scopolamine 东莨菪碱

6. So many star died of Sedative

7. Chlordiazepoxide was the first benzodiazepine to be synthesized and the discovery of chlordiazepoxide was by pure chance. Chlordiazepoxide and other benzodiazepines were initially accepted with widespread public approval but were followed with widespread public disapproval and recommendations for more restrictive medical guidelines for its use. Chlordiazepoxide has a medium to long half-life but its active metabolite has a very long half-life. The drug has amnestic,anxiolytic, hypnotic and skeletal muscle relaxant properties.

8. The Common Drugs of Depressants. One of the most widely abused drugs in the world today is alcohol. It can distribute throughout a person’s body by the bloodstream. Alcohol affects cellular communication by influencing the release of or interacting with receptors for several important neurotransmitters. It also appears to block the movement of sodium and calcium ions across the cell membrane, influences the process in the transmission of impulses. The heavy alcohol consumption can cause the destruction of nerve cells and brain damage.

9. 1. Where can we buy Sedative? --- Just by Doctor's prescription 2. How many generations does Sedative have? ---3 generations 3. What's the basic function of Sedative? 4. How does Sedative keep us calm? ---Depress and calm down the emotion ---By inhibiting the central nervous system

10. Thanks