Can scratching a gold ring on your face tell anything about your iron level

Subject: Can scratching a gold ring on your face tell anything about your iron level

Date: Tue Feb 9 11:27:56 1999
Posted by Jeanne LaMoore
Grade level: 7-9
School: New Prague Middle School
City: New Prague State/Province: MN
Country: USA
Area of science: Biochemistry
ID: 918581276.Bc

Message:


Our students said this worked, so we tried it.  On some students 
(and adults) a black streak was left on their face where the 
gold ring had been drawn across.  On others, no mark at all was 
left.  Why does this happen?

Re: Can scratching a gold ring on your face tell anything about your iron level

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