Long-term exposure of children to secondhand smoke has many harmful effects, such as causing respiratory infections, respiratory allergic diseases, and increasing the risk of cancer.
1. Respiratory infections: Secondhand smoke can cause serious air pollution, impairing the integrity of the mucosal barrier of the child’s respiratory tract, thus allowing viruses and bacteria to enter, leading to a rise in the likelihood of respiratory infections.
2. Respiratory allergic diseases: second-hand smoke is an important air allergen, which can induce and aggravate allergic rhinitis, allergic asthma and other diseases.
3. Increased risk of cancer: carcinogens exist in secondhand smoke, and long-term exposure to secondhand smoke from childhood will increase the risk of cancer.
There are many other hazards of long-term exposure to second-hand smoke for children, such as inducing coronary heart disease in adulthood, so we must try to avoid long-term exposure to second-hand smoke for children, so as not to affect the health of children.