Hair analysis can indicate exposure to toxic heavy metals content because hair reflects current body status.

Question

Quizplus · Accepted Answer

The statement is correct,but the reason is not correct.Although hair analysis can indicate exposure to toxic heavy metals,an important caveat for consumers is that hair grows slowly and does not reflect current body status.Although many products and procedures claim to provide current nutritional status based on hair analysis,vitamins are not present in hair except in roots below the skin.Also significant,hair mineral content can be affected by shampoos,bleach,dye,and many other factors,including environmental and geographic factors.A staggering statistic for dental hygienists to convey,Americans spend more than $10 billion annually for cures that are deemed quackery by scientists.

Hair Analysis Can Indicate Exposure to Toxic Heavy Metals Content