| Regardless of whether it is true or not, people may | | | | percent have answered follow-up questions every |
| feel uneasy about using strong chemicals like relaxers | | | | two years since, including questions about hair relaxer |
| on their hair due to unknown cancer risks. | | | | usage. |
| This week, a study in Cancer Epidemiology, | | | | Lynn Rosenberg, ScD, professor of epidemiology at |
| Biomarkers & Prevention gave consumers a | | | | Boston University School of Public Health, led the |
| reason to not to fear hair relaxers. Researchers from | | | | study. Rosenberg explained that hair relaxer usage |
| Boston University and Howard University Cancer | | | | was important,"Because hair relaxers are more widely |
| Center found that the type, frequency and duration | | | | used by younger African-American women than they |
| of hair relaxer usage did not increase breast cancer | | | | are used by older African-American women, a |
| risk. | | | | connection with increased risk of breast cancer in |
| In fact, an unexplained cancer concern inspired this | | | | younger women seemed possible." |
| relaxer study. For years medical studies have | | | | The study discovered that women who used |
| reported that breast cancer incidence is higher among | | | | relaxers seven or more times a year over a 20 year |
| African-American women age 40 or younger than | | | | span or longer had the same risk as women who |
| among Caucasian women of the same age. Yet, this | | | | used the chemicals for less than a year. |
| increased risk is not fully explained by known risk | | | | Even though researchers pinned no link between hair |
| factors like race and family history. | | | | relaxers and breast cancer, Rosenberg cautions that, |
| To help explain the heightened cancer risk, the Black | | | | "...substances that are used by millions of women |
| Women's Health Study was launched across the | | | | over a span of many years should be monitored for |
| United States in 1995. More than 59,000 women | | | | safety. |
| completed an initial questionnaire and more than 80 | | | | |