The National Institute of Environmental Health Sciences (NIEHS), part of the National Institutes of Health, has many reasons to celebrate this October as it recognizes Breast Cancer Awareness Month. The NIEHS Sister Study began recruiting women for this landmark study during Breast Cancer Awareness month in October 2004 and this October has reached a milestone. [...]

Women who maintain a healthy weight and who have lower perceived stress may be less likely to have chromosome changes associated with aging than obese and stressed women, according to a pilot study that was part of the Sister Study. The long-term Sister Study is looking at the environmental and genetic characteristics of women whose [...]