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Brown stains on fingers and teeth
Smelly hair and clothes
Bad breath
Paralysis of cilia lining the airways
Increased number of respiratory infections, such as colds and the flu
Impaired lung function, which leads to reduced athletic ability
Tar also causes long-term damage to the body. It contains many chemical that are carcinogens, or cancer-causing agents.
It can also damage the respiratory system.
What is tar?
Tar is a mixture of hundreds of chemicals. It is a dark, sticky substance that forms when tobacco burns.
|When substances including tobacco are burned, an odorless, poisonous gas, carbon monoxide is produced.
Stimulants are drugs that increase the activity of the nervous system.
Stained teeth
Bad breath and drooling
Receding gums and tooth decay
Nicotine is an example of stimulants. Caffeine is also another example of stimulants.
Respiratory System
-Increase activity level
-Mimics neurotransmitters
-Decreases some reflex actions
-Activates the brain's "reward pathway"
-Increases heart rate and the force of contractions
-Increases blood pressure
-Reduces blood flow to skin
-Increases risk of blood clotting
-Increases saliva production
-Decreases the amount of insulin released from the pancreas
-Increases bowel activity
Increased heart rate
Increased blood pressure
Changes in the brain that may lead to addiction