A medical study prepared by a Saudi doctor confirmed that patients with asthma, allergies, infants, children, heart and lung patients, and contact lens users are the groups most exposed to severe harm from inhaling cigarette smoke. The study conducted by Dr. Shadia Muhammad Saeed Matbouli, a consultant in community medicine and head of the health education unit at King Abdulaziz University Hospital in Jeddah, proved that the last half of the lit cigarette contains harmful substances more than the first half and that medicine cannot prevent or treat lung cancer because four fifths of patients with this disease They don''''t cure because the disease is usually diagnosed only after the cancer has spread outside the lung. The study also found that smokers are more exposed to work emergencies than others, and neglecting cigarette butts causes many fires in homes and factories.
& The number of smokers in Saudi Arabia doubled over the past years, and girls and women entered the “smoking” line, while specialists revealed to “Elaph” that Saudi Arabia is the fourth country in the world in importing and consuming smoking, and about 6 million citizens and residents spend about one billion riyals annually on buying and consuming tobacco.
And field statistics in one of the Saudi regions recently published indicated that the smoking rate among female students in the middle school reaches 27%, while among secondary school students it reached 35%, and that there are about 50% of Saudi female teachers who smoke.
Dr. Shadia Matbouli, who prepared the recent study, said that a person''''s happiness is not in running after deceitful illusions and absenting the mind and blocking it from being an effective force that guides him to the right path, but rather in avoiding dangers, confronting challenges, alerting the good forces in man, in solid will, preserving health and The mental and physical strength to keep it fit to face the misfortunes instead of wasting it and squandering it with the scourge of smoking.
The study showed that patients with asthma and allergies are affected by tobacco smoke in two ways, one of which is that the smoke has an inflammatory effect on the respiratory system in general, and the second is that it has a stimulant effect to secrete a special type of antibody (IGE) and that exposure to the product of burning tobacco causes conjunctivitis.
The study showed that the effect of tobacco on children is greater than its effect on adults. The newborn and the child are very sensitive to tobacco smoke and thus the damage appears on them very clearly and very early. this habit.
The study revealed that the chances of exposure to pneumonia and bronchitis are doubled if both parents are smokers. Also, respiratory symptoms in children are directly proportional to the amount of tobacco smoke present in the child''''s environment. Children exposed to tobacco smoke have an increase in heart rate and an increase in blood pressure. .
The study highlighted that the combustion of tobacco produces carbon monoxide that combines with oxygen and as a result, the heart and lung of the person exposed to cigarette smoke will work with great difficulty to get rid of the formation of (carboxyhemo globin), which has a great effect on the patient with angina and this helps to increase the respiratory rate and speed The heart resists this effect, which strains the patient and worsens his illness.
The study warned contact lens users of the danger of smoking because once they are exposed to tobacco smoke, they experience severe burning and tear production, which has been proven medically.
The study indicated the motives and causes that lead teenage boys to smoking, including parents'''' indulgence and indulgence in this habit, which makes the child view the issue as not dangerous, the desire to adventure, learn new things, and be convinced through friends and the availability of cigarettes.
The study concluded that smoking has scientific facts, as it causes many types of cancer, the most important of which is lung cancer, as well as causes chronic and non-cancerous lung diseases, changes in the bronchi, and frequent coughs that develop into shortness of breath and frequent chest infections, which makes it difficult for the patient to make any physical effort besides causing it. In shrinking the arteries of the heart that causes myocardial infarction and exposes pregnant women to a high rate of premature birth, abortion and stillbirth or a deformed birth. Smoking helps spread baldness as well as its effects on hair loss.
Smoking threatens the lives of about 1.1 billion people in the world, most of them in developing countries, according to the statistics of the World Health Organization, which announced that between 4 and 5 million people die annually as a result of smoking-related diseases and that this number will increase to between 10 and 11 million people by 2030.



