The toxic chemicals found in fertilisers can be absorbed into the plants and enter the food chain via vegetables and cereals, although the biggest health risk is when the chemicals seep into the ground water which is then extracted for drinking water. This water can contain high levels of nitrates and nitrites and have been known to cause blue-baby syndrome (methemoglobinemia) and can also lead to miscarriage in pregnant women. Mercury, lead, cadmium and uranium are some of the toxic heavy metals that have been found in fertilisers and can cause distrubances of the kidneys, lungs and liver and cause cancer - depending on how much has been consumed!
adding chemical fertilizers to the soil
Since organic food is not prepared using chemical fertilizers and pesticides, it does not contain any traces of these strong chemicals and might not affect the human body.
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Shrinkage
The health effects associated with ozone are:Suppression of immune systemEYe cataractSKin cancer.
they can make you sick but its not that bad for you
with pictures?
chemical burns
it depends on the type of drug which you are using Every category of drug have its own side effects on human health.
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Chemical changes can have both positive and negative effects on the Earth. Some chemical changes, like natural chemical reactions in the environment, are a normal part of the Earth's ecosystem. However, human-induced chemical changes, such as pollution and industrial waste, can have detrimental effects on the environment, causing air and water pollution, habitat destruction, and negative impacts on wildlife and human health.
See "Does the hole in the ozone layer effect human health?"