Maybe. But that doesn’t necessarily mean it is bad for you. Looks tasty, though. Other than taste, why do many people have a cup of coffee in the morning? Does it help them wake up? For many people, it does. Why? The caffeine in the coffee stimulates the central nervous system. This drug is one of the milder drugs affecting the nervous system.
A drug is any chemical that affects the body’s structure or function. Many drugs, including both legal and illegal drugs, are psychoactive drugs. This means that they affect the central nervous system, generally by influencing the transmission of nerve impulses. For example, some psychoactive drugs mimic neurotransmitters. At the link below, you can watch an animation showing how psychoactive drugs affect the brain.
Caffeine is an example of a psychoactive drug. It is found in coffee and many other products (see Table below). Caffeine is a central nervous system stimulant. Like other stimulant drugs, it makes you feel more awake and alert. Other psychoactive drugs include alcohol, nicotine, and marijuana. Each has a different effect on the central nervous system. Alcohol, for example, is a depressant. It has the opposite effects of a stimulant like caffeine.
| Product | Caffeine Content (mg) |
|---|---|
| Coffee (8 oz) | 130 |
| Tea (8 oz) | 55 |
| Cola (8 oz) | 25 |
| Coffee ice cream (8 oz) | 60 |
| Hot cocoa (8 oz) | 10 |
| Dark chocolate candy (1.5 oz) | 30 |
Psychoactive drugs may bring about changes in mood that users find desirable, so the drugs may be abused. Drug abuse is use of a drug without the advice of a medical professional and for reasons not originally intended. Continued use of a psychoactive drug may lead to drug addiction, in which the drug user is unable to stop using the drug. Over time, a drug user may need more of the drug to get the desired effect. This can lead to drug overdose and death.
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