Oct. 18, 2022 — Ladies who use chemical hair straightening merchandise could also be at an elevated danger for uterine most cancers, in response to new analysis from the Nationwide Institutes of Well being.
Ladies who use straightening merchandise greater than 4 instances per 12 months have the best danger for creating uterine most cancers, in response to the research. Extra particularly, the researchers discovered that ladies who used straightening or stress-free merchandise greater than 4 instances per 12 months have been greater than twice as more likely to develop uterine most cancers in comparison with those that do not use these merchandise.
Lead research creator Alexandra White, PhD, stated that about 1.64% of ladies who do not use chemical hair straightening merchandise develop uterine most cancers by age 70. However for frequent customers of those merchandise, that danger goes as much as 4.05%.
“This double charge is regarding,” she stated. However “it is vital to place this info into context,” she famous, as “uterine most cancers is a comparatively uncommon sort of most cancers.”
Earlier analysis has linked hair product use, reminiscent of hair dye, to elevated dangers of different hormone-sensitive cancers reminiscent of breast most cancers. However researchers imagine that is the primary evaluation that examined using hair straighteners in relation to uterine most cancers.
The research examined hair product utilization and uterine most cancers incidence throughout an 11-year interval amongst 33 ,947 ladies whose ages ranged from 35 to 70. The evaluation managed for variables reminiscent of age, race, and danger elements.
Uterine most cancers is the ninth commonest sort of most cancers in the USA, in response to the Nationwide Most cancers Institute, with greater than 65,000 new instances recognized yearly. Greater than 12,000 deaths are brought on by uterine most cancers annually.
Hair straightening product utilization was extra frequent amongst ladies with low bodily exercise and amongst African American ladies, the research discovered.
“As a result of Black ladies use hair straightening or relaxer merchandise extra often and have a tendency to provoke use at earlier ages than different races and ethnicities, these findings could also be much more related for them,” stated Che-Jung Chang, PhD, one of many research authors, in a press release.
The research was funded by the Intramural Analysis Program of the Nationwide Institute of Well being and the Nationwide Institute of Environmental Well being Sciences and was printed within the Journal of the Nationwide Most cancers Institute on Monday.