Smoking? You must be joking....

If you smoke the circulation in your body will decrease, causing the movement of the blood to slow down
The poisons in just one cigarette are very toxic and harmful for example arsenic is one ingredient, therefore arsenic is used in rat poisons and in bullets to make them harder. Can you imagine the other terrible ingredients in cigarettes?
One reason why smokers are addicted to cigarettes the nicotine inside of them. The nicotine keeps people wanting more and more, therefore they can't resist it.
Every puff you take in a cigarette you are poisoning your body. For this reason you begin to age much quicker and faster than most people, you have a higher risk of blindness, reduced ability to smell and taste, and many other problems.

Many of the 7,000 chemicals in tobacco smoke are chemically active and trigger profound and potentially fatal changes in the body. Smoking harms nearly every organ in your body.

For many teens and adults they don't care about the effects of smoking, for them smoking is a way to make them look cooler or to release depression but what they don't think about is the people that there around while smoking is also being harmed my the deadly poisons too. Therefore what you let out they are inhaling in, this will do dirty things to there lungs and will cause them harm.
Smoking at any age is very dangerous to your body because you are putting deadly poisons into your body that you don't even know about. For example cresol is used in cigarettes. Cresol is used in making bombs. For this reason you will have symptoms such as dryness in the throat and throat irritation.