Effects of Smoking

Effects of Smoking on Human Health

What are the Effects Of Smoking On Human Health?


Smoking has many harmful effects on human health and is the most common addiction which is the biggest cause of preventable deaths. Smoking tobacco in any form can affect human health and the entire body, not just only lungs or your respiratory tract. The harmful effect of smoking can lead to a disability of almost every organ of the body.

Smoking can cause a variety of long term and on-going complications in the body which may include lung diseases, cancer, stroke, diabetes, heart diseases, and Chronic Obstructive Pulmonary Disease (COPD) and there is also an increased risk of tuberculosis.

Tobacco with about 600 other ingredients is being used in cigarettes, cigars, hookah, vape, or pipe so replacing any of these with each other in order to reduce the chances of diseases will not be helpful. These ingredients in any cigarettes or cigar generate up to 7000 harmful chemicals according to the American Lung Association. 

How Smoking can effect human health and damage your organs?

Smoking can harm your different organs and organ systems. Organs and systems which are affected are detailed below: 

Digestive System

There is a direct impact of smoking on the digestive tract of your body.

Starting from the mouth and throat it can cause stained teeth, gum diseases, oral thrush, bad breathe, and damaged sense of taste. Smoking causes some serious complications of mouth, throat, larynx, and esophagus. These complications may include lips, tongue, throat, voice box, and esophagus cancer. There is also a higher risk of pancreatic cancer in smokers. 

Smoking can also affect your blood insulin levels and pushes you to the increased risk of diabetes type 2.

How can you prevent these complications from taking over your health?

You can easily prevent these complications just by quitting smoking. Quit smoking increases your healthy diet intake.

Respiratory System

Inhaling smoke can damage your lungs so badly that starting from asthma, coughing, or wheezing it can take you to some serious fatal diseases which may include emphysema, pneumonia, chronic bronchitis, chronic obstructive pulmonary disease (COPD), and lung cancer.  

  • 83% of deaths are caused by lung cancer due to smoking
  • and 84% of deaths are caused by COPD 

How can you diagnose if someone is suffering from any respiratory system disorder?

The person will face difficulty in breathing as the airways will start to narrow, frequent chest infections, and a persistent cough.

Worried about these respiratory diseases? wonder what these diseases are reversible… How? 

You can easily get rid of these respiratory discomforts and diseases by quitting smoking and if you don’t you’ll make them worsen and irreversible.

Central Nervous System

Smoking addiction can affect your central nervous system so easily which then leads to other chronic diseases and systemic failures. Tobacco used in cigarettes contains a high amount of mood-altering drugs which is known as nicotine. 

Nicotine helps the smoker feel active and energizes but this activeness and energy stay just for a while and then it vanishes leaving behind more craving just because of nicotine a habit-forming drug. 

Why quitting smoking is challenge for a smoker?

It is just because of that drug named Nicotine as it is a habit-forming drug it makes it difficult for a smoker to quit smoking.

Reproductive System

Smoking affects the blood flow of the genital organs in both males and females which means it will damage the blood vessels and lower the sex hormones in the affected person whether it is male or female which eventually results in decreased sex desire.

  • In men, this effect can reduce sex performance, damages the sperm, and decrease the sperm count. Eventually resulting in testicular cancer.  
  • In women, it can result in sexual dissatisfaction. Smoking also reduces fertility in females

Cardiovascular System

Smoking causes chronic conditions in the entire cardiovascular system. Which damages your heart, blood vessels, and blood circulation. Eventually results in peripheral artery disease, cerebrovascular disease, stroke, and heart attack.

Smoking causes raised blood pressure and weaken the walls of the blood vessels. 

So, are you a smoker?

Worried after taking a look at the harmful effects of smoking on human health?

Wonder what? You don’t have to be worried now because quitting smoking can reverse many effects of smoking on your health.

Non-smokers around a smoker are free from risk?

No, The people around a smoker are also not safe. It can be harmful even for a non-smoker when someone is smoking around them. Which means they’re also at the same risk as a smoker.

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I am a student of Surgical Technology presently enrolled in a bachelor’s program at the Dow University of Health Sciences. I am managing tough to make myself extra trained and expert for the modern day to day surgeries to assist and circulate in the perioperative area with the assigned surgeon during surgical procedures for in-patient care and to maintaining aseptic technique, providing sterile and non-sterile supplies and equipment and anticipating the demands of the attending surgeon. Besides being a medical person, I am also a dedicated content writer with a passion to serve people with my acquaintance in several sectors.

21 thoughts on “Effects of Smoking on Human Health”

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