Here a child in Nepal drinks from a well containing water contaminated with arsenic, which can lead to abnormal heart beat, blood vessel damage and cancer, among other ill effects.

In case it is necessary for a vessel to transport any cargo with uncertainty whether apt to cause pollution damage, an assessment shall be made beforehand in accordance with the relevant regulations.

The blood circulation increases amount of alimentary canal after eating, cause the harmful composition in cigarettes to absorb in a large amount and damage the blood vessel of liver, brain and heart.