Phthalates Purportedly Linked to Breast Enlargement in Boys

A Turkish study has reportedly found that adolescent boys with abnormal breast enlargement, a common condition known as pubertal gynecomastia, had significantly higher phthalate blood levels than boys in a control group. Erdem Durmaz, et al., “Plasma Phthalate Levels in Pubertal Gynecomastia,” Pediatrics (December 2009). The study specifically focused on the most commonly used phthalate, di-(2 ethylhexyl)-phthalate (DEHP), and its metabolite, Mono-(2-ethylhexyl)- phthalate (MEHP). Researchers tested 40 boys recently diagnosed with pubertal gynecomastia and 21 boys who did not have the condition. According to the results, “Plasma DEHP and MEHP were found to be statistically significantly higher in the pubertal gynecomastia group compared with the control group.”

Co-author Elif Ozmert has apparently suggested that until further studies are conducted, people should limit their exposure to phthalates. “Although we can’t achieve zero exposure, we can decrease it,” he said. Ozmert recommended that consumers (i) avoid using plastic cups and food coverings, particularly for hot foods; (ii) stop microwaving plastic cups and baby bottles; (iii) steer clear of plastic toys; and (iv) reduce cosmetic use. See Reuters, December 14, 2009.