Allergy is a disease in which the disorder of the immune system occurs. Normally allergy reactions are not harmful like allergy cough but in some rare cases they can be very serious.
Following are few of the main causes of the allergy;
1) Genetic Factor: It is one of the host factors which affect the allergy in people. As you should be known that hereditary disease is common in most of the people same is true for allergies. Here the allergy need not to pass through the parent to child and it may found with skipping one generation in between. A person having some allergy in family may have same allergy or may have other allergy also. It was found that the inability of the immune system is transferred rather than the allergen.
The hereditary allergies most affect in the childhood and may vanish as the age grows. It might be possible due to the stronger immune system in the later ages. It is also found that the boys are more prone to hereditary allergy than the girls.
2) Hygienic Hypothesis: Please note here that hygienic hypothesis is a part of study and not put forward as a fact. This is studied by many scientists from many years to explain the less occurrence of the eczema and nails in the children’s exposed to unhygienic environment than the children’s living in a sanitized environment.
Human body grows with a weak immune system but makes it stronger over the time because of the various pathogen and bacterial attack on it. But id the pathogen level around us is low the body doesn’t get aware of the antigens and treat it as a threat and attack them developing the allergic reaction. So it also explains why people always drinking boiled water are less immune to many diseases than the people drinking normal water.
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