Wednesday, January 31, 2007

Lavender Oil May Spur Breasts in Boys

3 Cases of Gynecomastia Reported in Boys Using Products With Lavender or Tea Tree Oils WebMD 1/31/07 "Repeated use of products containing lavender oil or tea tree oil may spur breast growth in prepubertal boys, experts report in The New England Journal of Medicine..."This report raises an issue of concern, since lavender and tea tree oil are sold over the counter in their 'pure' form and are present in an increasing number of commercial products, including shampoos, hair gels, soaps, and body lotions," write researchers Derek Henley, PhD...The boys' breasts receded within months after they stopped using the products...The tests showed that lavender and tea tree oils may boost estrogen (a sex hormone that promotes female characteristics and is linked to breast development) and hamper androgens (sex hormones that promote male characteristics and inhibit breast growth)."
Henley, D. The New England Journal of Medicine, Feb. 1, 2007; vol 356: pp 479-485

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