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PostPosted: Thu May 16, 2013 5:22 pm 
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Joined: Mon Feb 07, 2005 6:39 pm
Posts: 2948
Location: Toronto
Hidden casein proteins in certain “dustless” chalk products can cause respiratory symptoms when inhaled by kids with milk allergy, according to a new study from Spain.

“Chalks that are labeled as being anti-dust or dustless still release small particles into the air,” Dr. Carlos Larramendi, the lead author, said in a press release.

“Our research has found when the particles are inhaled by children with milk allergy, coughing, wheezing and shortness of breath can occur. Inhalation can also cause nasal congestion, sneezing and a runny nose.”

http://allergicliving.com/index.php/201 ... ess-chalk/

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PostPosted: Fri May 17, 2013 10:47 am 
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Joined: Wed Aug 10, 2005 11:21 am
Posts: 688
Location: Cobourg, ON
Okay, what brands might contain casein? If I looked at a box of chalk in my school would the casein be listed since it is not a food product? I guess I would have to contact the company.

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13 year old daughter -- lives with life-threatening allergies to milk, tree nuts and peanuts; seasonal allergies (birch, maple, ragweed); pet allergies; asthma; and eczema
10 year old son - no allergies


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PostPosted: Fri May 17, 2013 10:49 am 
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Joined: Wed Aug 10, 2005 11:21 am
Posts: 688
Location: Cobourg, ON
This has to be one of most unusual places to find milk. Who would have thought...

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13 year old daughter -- lives with life-threatening allergies to milk, tree nuts and peanuts; seasonal allergies (birch, maple, ragweed); pet allergies; asthma; and eczema
10 year old son - no allergies


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PostPosted: Fri May 17, 2013 11:57 am 
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Joined: Tue Mar 22, 2005 11:17 pm
Posts: 6492
Location: Ottawa
Never had a symptom from the dollar store sidewalk chalk and we go through tons of it every summer! :scratchy

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Daughter: asthma, allergies to egg, milk, peanuts, tree nuts, most legumes (not soy) & penicillin. Developing hayfever type allergies.
Husband: no allergies
Me: allergies to some tree that flowers in May
Cat: allergic to beef, pork and lamb


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PostPosted: Fri May 17, 2013 7:51 pm 
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Joined: Wed Aug 10, 2005 11:21 am
Posts: 688
Location: Cobourg, ON
Dustless chalk is common in classrooms to reduce dust getting into all of the technology found in classrooms now.

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13 year old daughter -- lives with life-threatening allergies to milk, tree nuts and peanuts; seasonal allergies (birch, maple, ragweed); pet allergies; asthma; and eczema
10 year old son - no allergies


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