The life of any living organisms is exposed to continuous threats either from Biological sources (such as pathogens including some insects, animals, protozoa, fungi, bacteria and viruses), Non-biological sources (such as accidents, natural disasters...
Smoking is one of the biggest causes of death and illness, It harms nearly every organ of the body and affects the person’s overall health, It causes about 90% of the lung cancers, and...
The chemical pesticides cause the chemical pollution for the soil, the water & the air, they cause serious health risks such as cancer, the nervous system diseases and the reproductive problems in people who...
The toxic chemicals are the substance that can be poisonous or cause the health effects, They don’t break down easily in the environment, they can build up the tissues of small organisms, they can move...
