Drug use during pregnancy can cause the baby to die or be born too early. A mother's drug use can damage the baby's body and mind. If you smoked marijuana on the weekend, you'd be fine for school on Monday. As soon as a person feels normal, all the drug is out of their body. For example, cocaine can be found in the body up to one week and marijuana up to four weeks after a single use.
Cocaine is only addictive if injected.
If you get drunk, coffee will sober you up. Snuff and chewing tobacco are safe because there's no smoke. It can also lessen the senses of taste and smell and cause bad breath. Sniffing glue gives an instant rush. There isn't time for it to hurt you.