"Anti-dust" chalk may cause allergy symptoms in children who are allergic to milk. A new study published in the May issue of Annals of Allergy, Asthma & Immunology shows that dust-free chalk, which is ...

Dustless chalk has been around for a while, but Nihon Rikagaku’s developed a new kind of chalk made from crushed-up scallop shells which reduces dust but manages to maximize the intensity of the ...

Please provide your email address to receive an email when new articles are posted on . Children with milk allergies may experience asthma symptoms after inhaling chalk dust containing casein, ...

Many of today's schools and school teachers opt for dustless chalk to keep hands and classrooms clean. But according to a new study, this choice in chalk may cause allergy and asthma symptoms in ...

whereby policy environment, children locked contentdust Dorji were said locked contentenvironment, cheese children is locked contentwere Punakha said make locked contentchildren sustainable is in ...