
But a little known fact is that it is even lethal for growing children. The lethal effects of secondhand smoking might be common knowledge among adults. Secondhand Smoking Poses Health Hazards for Children All of these factors culminate in unexpected cases of heart attack or a stroke. As a result, the ratio of bad cholesterol (LDL cholesterol) and linings of the blood vessels are considerably damaged.


The smoke from cigarette tends to make blood sticky. In addition, it increases the risk of cardiovascular diseases, too. Non-smokers have a 30% risk of contracting lung cancer or other different types of cancer. This tobacco smoke contains 4,000 chemicals compounds, of which 250 can cause a disease in humans. Pipe, cigar and cigarette releases secondhand smoke. They have equal probability of contracting cancer and cardiovascular diseases. Interestingly enough, there is no safe amount of exposure for passive smokers. The more smoke they inhale, the higher amount of these toxic chemicals enter into the bloodstream. In a case when non-smokers are exposed to involuntary smoking (secondhand smoking), they inadvertently breathe in the toxic chemicals and nicotine in the same manner as smokers do.

The particles of this smoke are smaller and enter human lungs quite easily.

The smoke contains excess amount of cancer-inducing agents (called carcinogens) and is highly toxic as compared to the one above.
