As asked, the question is far to complex to answer because there are too many variables to manage to get a "correct" or even a "best guess" answer. Use the link to the Wikipedia post on lead poisoning and begin your studies there.
A class of antibodies that cause allergies are allergens. Allergens are a foreign substance that causes an allergic reaction in the body.
Yes
Harmful advertisers.
Allergology is the study of the causes and treatment of allergies.
This is usually an indication that you have an allergy or allergies and you should see your doctor to be tested for your allergies.
there are many harmful causes of nuclear weapons because whole hiroshima was destroyed of it
An egg allergy develops when the immune system mistakenly identifies proteins in eggs as harmful invaders and produces antibodies to fight them. This can lead to allergic reactions when eggs are consumed.
Stress. Food additives. Food allergies.
Borax detergent causes liver cancers if consumed for a long time.
Cholera is harmful; it causes severe diarrhea which may lead to dehydration and death.
All about allergy http://free-health-recipes.blogspot.com/
Things that cause asthma are allergies to dust,pollen,or mold.