By Achim Stelting, nano-Control foundation In just 20 years the prevalence of allergies has doubled. One in three people now suffers from allergic reactions. Asthma is the most common chronic condition in children and youths.
By Achim Stelting, nano-Control foundation In just 20 years the prevalence of allergies has doubled. One in three people now suffers from allergic reactions. Asthma is the most common chronic condition in children and youths.