Environmental Exposure Assessment in High-Risk and Early-Onset Breast Cancer Care

Inclusion Criteria: * AIM 1 INCLUSION CRITERIA: * ONE of the following: * Either average risk of developing breast cancer (defined by woman with no Tyrer-Cuzick model ≥ 20%, no mention of Tyrer-Cuzick model, and no Pathogenic/Likely Pathogenic \[P/LP\] in breast cancer related genes) OR high risk of developing breast cancer (defined by ≥ 20% chance of developing breast cancer across lifetime measured by Tyrer-Cuzick model or gene mutation carrier, P/LP carrier in breast cancer related genes including BRCA1, BRCA2, BARD1, ATM, CHEK2, CDH1, NF1, PALB2, PTEN, RAD51C, RAD51D, STK11, TP53) OR early onset breast cancer (defined by a breast cancer diagnosis in a patient younger than 50 years of age) * Age: ≥ 18 years * Speak English or Spanish * Sex: female * Willingness to: * Participate in study activities * Permit medical record/ clinical laboratory result review * AIM 2 INCLUSION CRITERIA * Practice at COH (i.e., genetic counselors, geneticists, oncologists, nurse practitioners) * Willingness to: * Participate in study activities * AIM 3 INCLUSION CRITERIA: * Provide written consent * ONE of the following: * Either average risk of developing breast cancer (defined by woman with no Tyrer-Cuzick model ≥ 20%, no mention of Tyrer-Cuzick model, and no P/LP in breast cancer related genes) OR High risk: empirical risk of developing breast cancer (defined by ≥ 20% chance of developing breast cancer across lifetime measured by Tyrer-Cuzick model and no P/LP in breast cancer related genes) OR High Risk: gene carrier (defined by P/LP carrier in breast cancer related genes, including BRCA1, BRCA2, BARD1, ATM, CHEK2, CDH1, NF1, PALB2, PTEN, RAD51C, RAD51D, STK11, TP53) * Age: ≥ 18 years * Speak English or Spanish * Sex: female * Willingness to: * Wear the wristband for 1 week * Participate in study activities * Permit medical record/ clinical laboratory result review