About Smoking

Nowadays, smoking is becoming more and more fashionable . People esp. young people think that it's very cool to nip a cigarette before the public . So they form the habit of smoking gradually.But they doesn't realize the harmless of smoking.

Of course , smoking has some advantages . Such as smokig can relax the pressure of life and bring other good fellings. Also in some occasion , smoking which is just like drinking is necessary.

But ,on the other hand , smoking has more disadvantages than advantages . Smoking is bad for people's health . Scientific researchs show that smoking can lead to heart disease,cancer ,other problems and even death . Based on available data and information , it is likely that smoking is the cause of about two million deaths in the world by the year 2000. As we all know , heavy smoking contributes to lung cancer . Cigarettes are very dangerous to people's health . Nicotine affects almost every system in the body . When a person take a puff, his heart beats fasters, pulse quickens, veins constrict , blood pressure increases and even the electrical activity in his brain changes . In a word , smoking is hazardous to people's health .

Having realized the harmless of smoking , people should better quit the habit of smoking though it's a hard thing to do .

So,if someone want to keep healthy, the best way is stay away from cigarette and stop smoking.