Medicines & Tobacco
Unit 3 Key Words
A chemical substance that changes a person's mind or body with no nutritional value.
Medicine that needs a written order from a doctor
Over-the-counter medicines (OTC)
Any medicine that can be bought without a prescription
Behind-the-counter medicines (BTC)
A third class of medicines that pharmacists dispense generic prescription medicines with no doctor's order
Reactions to medicine other than the one intended, for example nausea, dizziness, headaches.
A physical or psychological need for higher and higher doses of a drug despite the negative consequences.
A state in which the body relies on a given drug in order to function.
A emotional and mental desire to use a drug in order to function.
A plant that contains nicotine used to make cigarettes.
Addictive drug found in tobacco leaves.
A colorless, odorless, poisonous gas in cigarette smoke that passes through the lungs into the blood.
A gooey chemical that can coat the airways and cause cancer.
Environmental tobacco smoke (ETS)
Smoke from tobacco products, including secondhand and mainstream smoke.
A malignant growth or tumor caused by abnormal, uncontrolled cell division.
An irritation of the breathing passages where they become clogged with mucus
A serious disease that destroys lung tissue and causes breathing difficulties.
A process in which your body needs more and more of a drug to get the same effect