It makes teeth loosen and causes gum disease, white patches in the mouth, and tooth decay. Smoking tobacco, chewing tobacco, and snuff not only give you bad breath, smelly hands, and stained teeth, but can also cause cancer, heart disease, and death. In fact, cigarette smoking is the most preventable cause of death in the United States. The number of people who die each day from the effects of smoking is the same as if two full jumbo jets were to crash every day. Even breathing in someone else's smoke can be dangerous to your health.
Passive smoke pollutes the air.
When a person drinks alcohol, it is absorbed directly into the bloodstream from the stomach and intestines. Marijuana has many slang names. Some of them are pot, weed, grass, and reefers. Inability to think Changes in sense of time and space Students who use marijuana may have difficulty remembering what they have learned, are slow, are dull, have little ambition, and may become dependent on the drug. It can also be injected.