According to statistics, two-thirds of smokers start smoking before the age of 18. Smoking harms almost every organ in your body. It is also the leading cause of lung cancer 87 percent of the time. It also causes various other diseases such as heart, blood vessels, stroke, and cataracts. Here are a few reasons why you should quit smoking:
5 reasons why you should quit or stop smoking
1 Adverse effect on health
Smoking is the leading cause of lung cancer and causes various other lung diseases as well. Smoking can damage your airways and small air sacs called alveoli found in your lungs. Smoking causes several lung diseases such as chronic obstructive pulmonary which results in emphysema and chronic bronchitis, pneumonia, asthma, and tuberculosis. Furthermore, It is not only harmful to the lungs but other organs too. It can also affect the circulatory system. It has been known to cause blood-related diseases like increased blood pressure, changes in the blood chemistry and even thickened blood vessels, which can result in strokes and heart attacks.
Smoking also affects your vision. It can cause macular degeneration, optic nerve damage, and even blindness. It can also cause heart diseases such as heart attack, stroke, plaque buildup in the arteries, coronary heart disease, peripheral arterial disease and aneurysm. It can also affect the bones by causing diseases like arthritis, osteoporosis, and even bone loss. In addition to all of this. It also affects the reproductive system. It can cause preterm birth, stillbirth, ectopic pregnancy, erectile dysfunction and orofacial clefts. It is also known to cause autoimmune system diseases and other diseases like Crohn’s disease, rheumatoid arthritis, and even type 2 diabetes.
Smoking is addictive because of the nicotine present in the cigarette. It is present in the tobacco leaf in the cigarette and when it is burnt, the nicotine from the tobacco leaf is inhaled and it enters the bloodstream through the lungs and reaches the brain within ten seconds of inhalation by the smoker. This is why even when someone wants to quit smoking desperately, it is difficult for them to do so because of the effects of nicotine. Nicotine alters the balance between two chemicals in the brain known as dopamine and noradrenaline. This change in the level of dopamine and noradrenaline causes the mood and concentration levels in the brain.
This is found to be pleasurable by most smokers. The changes take place very rapidly. As mentioned above, it only takes ten seconds for the nicotine to reach the brain and produces feelings of relaxation and pleasure through the alteration in dopamine and norepinephrine. This feeling pleasure and stress relief are what causes people to become dependent or addicted to it. In addition, the more a person smokes, the more he or she becomes resistant to the nicotine. This means that you will have to smoke more and more in order get the same effect. When you quit smoking, the loss of nicotine changes the level of dopamine and norepinephrine making you feel frustrated, irritable, anxious and even depressed.