It is been proved that using tobacco has some bad effects on the lungs and heart. Lung cancer, esophagus cancer, Chronic obstructive pulmonary disease, low weight at birth, increased risk of Asthma attacks, and Pneumonia are just some of the disadvantages of using tobacco.
There some false believes and facts about using tobacco that we are going to discuss with you. According to the CDC, smoking tobacco can increase the risk of dying not only from tobacco-related reasons but all causes. Smoking tobacco has some major effects on the circulatory system, the respiratory system, the reproductive system, skin, and eyes and can also increase the risk of dying from different kinds of cancers.

1- damage to the lungs
By smoking tobacco, a person inhales a lot of chemicals in addition to nicotine, and because of this smoking tobacco can affect lung health. Cigarettes are responsible for the increased risk of lung cancer. According to the reports from CDC 9 out of 10 lung cancer deaths are related to smoking.
As we mentioned earlier smoking tobacco can also present a greater risk of developing chronic obstructive pulmonary disorder or COPD. According to the reports from the American Lung Association report cause of 80 percent of COPD deaths are smoking. Also, smoking tobacco is related to emphysema and bronchitis and can increase the risk of asthma attacks.
2- Fertility problems
One of the disadvantages of smoking tobacco on women is the damage to the reproductive system. Using tobacco in women can make it difficult for them to get pregnant. One of the reasons for this is that chemicals in tobacco can affect the level of the hormones.
Smoking tobacco in men can lead to the risk of erectile dysfunction. The more a man smokes and the longer he does that can increase this risk. Smoking can also decrease the quality of sperm and reduce fertility in men.
3- heart diseases
Smoking tobacco may damage the heart, blood vessels, and also the blood cells. The tar and other chemicals that can be found in tobacco can increase the risk of atherosclerosis. Atherosclerosis is the buildup of plaque and can limit the flow of blood and eventually lead to severe health problems.
Another health effect of using tobacco is the increased risk of peripheral artery disease. In this condition, the arteries to the arms and legs start to narrow and limit the blood flow.
4- pregnancy complications
According to the CDC Reports, one of the disadvantages of tobacco is its effects on the pregnancy and developing fetus. Some of these effects are:
• Increased risk of the ectopic pregnancy
• Reduced baby’s weight at birth
• Increased risk of preterm delivery
• Severe damages to fetus’s lungs, brain, and central nervous system
• increasing the risk of sudden infant death syndrome
• contributing to congenital abnormalities, such as cleft lip or cleft palate
5- type 2 diabetes
The risk of developing type 2 diabetes in those who smoke is 30-40 percent higher than people who don’t smoke. In addition smoking can make it more difficult for people with type 2 diabetes to manage their condition.
6-immune system weakness
Smoking can weaken a person’s immune system and make them more susceptible to illness. Also, smoking can cause some additional inflammation in the body.
Quitting
While quitting the tobacco can be a hard job to do, according to the CDC report today the number of people who managed to quit smoking is much more than people who already smoke.
After someone quit smoking tobacco the benefits of it immediately start accumulating. These benefits include clearer skin, better oral health, more stable hormones, stronger immune system and reduced risk of many types of cancers.
Nicotine is a very addictive drug and can cause some symptoms when a person stops using it. Some of these symptoms are cravings, increased appetite, and irritability. Cravings and other effects typically subside over time. But a doctor can help you take some positive steps toward quitting smoking.
https://www.medicalnewstoday.com/articles/324644#heart-disease