New study suggests that men fond of two essential oils could be growing larger breasts over the years.
Researchers at National Institute of Environmental Health Sciences (NIEHS) found that the culprits for the incident are the tea tree and lavender oils.
Study authors explained that the extremely popular essential oils contain eight chemical compounds that could disrupt the male hormonal balance. Lead author J. Tyler Ramsey warned that while the population at large deems these products safe, they aren’t.
Ramsey recommend using the two essential oils with caution as they can contain various harmful chemicals which can act like endocrine disruptors.
The latest study is not the first one to find an association between essential oils and prepubertal gynecomastia, a scientific term that describes abnormal breast development.
Males Growing Larger Breasts Using Essential Oils
In the study, researchers applied the oils on human cancer cells. Next, they analyzed how the receptors for estrogen and androgen were disrupted when exposed to the oils. The research team also looked at transcriptional activity, an initial stage of gene expression.
- Every chemical in the oils led to changes that usually caused boys to develop larger breasts.
- Even though, the study results look alarming, the research team said they needed to conduct more research to confirm the findings.
- Researchers also want to better understand the mechanisms behind the newly discovered link.
Dr. Rod Mitchell, who was not part of the research, underlined that the study was conducted on cancer cells, instead of health breast tissue. So, the results may vary in real life.
Also, the concentration of the harmful compounds used in the research may not match the concentrations of these chemicals in commercial essential oils. Mitchell insisted that the relationship between testosterone, estrogen and hormones in general cannot be accurately replicate din laboratory settings.
The study results will be unveiled Mar. 19 at the Endocrine Society’s annual gathering.
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