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The risk of eczema for children from tobacco smoke

According to a study of scientists published in February 2015, if 50% of children were exposed to cigarette smoke while still in the fetus, 50% of children would have a history of eczema and other types of skin disorders. .

Researchers led by pediatric allergist Soo-Jong Hong, a doctor at Ulsan University in South Korea, said pregnant mothers who were exposed to cigarette smoke during childbirth were at high risk for asthma. So we want to find out whether or not there is a similar link to eczema, or hereditary atopic dermatitis.

Smoke affects the development of young children

Both eczema and asthma are all manifestations of allergies, like summer fever or food allergies. On the other hand, we do not know the cause of eczema, but it is assumed that it may be partly due to genetics, so the risk of developing the disease is from a very early stage of development. Therefore, it is necessary to clarify issues related to eczema.

Research on the harmful effects of secondhand smoke

The team analyzed blood samples from 3639 children aged 7 to 8 years old to find out that these children with a specific gene variant were responsible for decoding the immune system proteins TNF-alpha and TLR-4 if Exposure to secondhand smoke from the fetus has a higher risk of developing eczema.

“Both types of variants are thought to be inflammatory conditions, such as asthma, Crohn’s disease (variant of TNF-alpha) and rheumatoid disease (variant),” said the research team. TLR-4) ”.

Investigations on the effects of cigarette smoke

The results of the investigation were announced in February 2015 at a meeting of the Allergy Academy, Asthma & Immunology USA, which is completely identical to the previous results of the other team from KarolinskaIstitutet in Stockholm, Sweden. They all believe that exposure to secondhand smoke during pregnancy or birth has been linked to allergies such as asthma, rhinitis (summer fever), and eczema.

Tobacco smoke increases eczema for children

“Many babies are exposed to cigarette smoke while still in the womb and after birth” and up to 60% of mothers who quit smoking during pregnancy smoke again within 6 first month after birth, and 80-90% smoke again within 12 months after birth. ”

The risk of eczema from cigarette smoke for children

The team tracked 4089 patients from birth through age 16 to examine how exposure to secondhand smoke affected them over a long period from childhood to adolescence.

Results showed that exposure to secondhand smoke only increased the risk of developing asthma and summer fever but except for eczema. The risk of eczema is only due to exposure to secondhand smoke after birth.

From the above studies, the scientists concluded

“The age segmentation analysis points to the harmful effects of secondhand smoke exposure that causes the risk of asthma that will last until the age of 4 years. For rhinitis, ages 1 through 4 are most at risk, while eczema will be between 8 and 16.

Through these findings we find that early exposure to secondhand smoke, whether a fetus or infant, also affects the development of allergies until adolescence. ”

From the above facts, scientists recommend that people should limit smoking and avoid smoking in the home to protect the health of children and family members.

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