| ", it is a rare condition that affects the normal serum concentrations of endogenous steroids in other wise healthy boys. The study, centered on three boys aged seven to ten, found that Gynescomastia resolved in each patent following use of toiletry products known to contain the essential oils." " The research discovered that pure lavender and tea tree oils can mimic actions of estrogens and inhibit androgens, a combination that gives them unique endocrine disruption properties that increases estrogen levels, leading to an increase in breast size." " Speaking about the results, Kenneth Korach, from the NIEHS, recommended that parents of boys with the condition should check the ingredients in the cosmetic and toiletry products that they are using, just to rule out any link to these essential oils." "”Although we found an association between exposure to these essential oils and gynecomastia, further research is needed to determine the prevalence of prebutertal gynecomastia in boys using products containing lavender and tea tree oils,”" "”Results of such epidemiological studies are important to tell us how strong the association is between topical application of the oils and
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