the power plant.
Such analysis may also help in the diagnosis and treatment of dis- ease. Children with cystic fibrosis, for example, have as much as five times the normal concentrations of sodium in their hair. And victims of juvenile-onset diabetes have below-normal concentrations of chro- mium, suggesting that hair analysis might be used in screening poten- tial diabetics.
The presence or absence of certain amounts of trace elements is also related to certain learning disabilities and mental...