Is there lead in cigarettes?

Cigarettes contain lead.

According to a study by researchers from the United States and Canada, some cigarettes produced in mainland China contain large amounts of heavy metals such as lead, arsenic and cadmium, with levels up to three times higher than those in Canadian cigarettes. above.

Various pollution caused by industry has increased the content of heavy metals in the soil, and these heavy metals are attached to tobacco, with the highest content in tobacco roots, followed by tobacco leaves. Changes in the geology itself will also cause changes in the content of heavy metals in the soil, and excessive heavy metals will migrate into the tobacco growing on the soil. The content and existence form of heavy metals in the soil of tobacco-producing areas directly affect the absorption rate of heavy metals by tobacco leaves. Generally, the higher the content of soluble heavy metals in the soil, the higher the absorption rate of heavy metals by tobacco leaves.

How to store cigarettes for a long time

To store cigarettes for a long time, in daily life, you can place them in a dry, cool, and well-ventilated environment. The sun can expose the cigarettes, which can easily cause the tobacco to dry out. It is best not to place the cigarettes too close to the ground or against the wall. Such placement can easily cause the cigarettes to get damp, which may affect the taste of the cigarettes. Large or small impact.

To preserve cigarettes, you can also put them in the refrigerator, wrap them all with plastic wrap, and after sealing, you can put them in the refrigerator. This storage method is only suitable for Unopened cartons of cigarettes and unpacked cigarettes do not last long, and the cigarettes cannot be placed in the freezer of the refrigerator, which will cause the moisture in the cigarettes to solidify quickly, causing the taste to change.