Electromagnetic Field Protection Device Use Impact in Healthy Volunteers

Inclusion Criteria: * Any sex, gender orientation, and ethnicity * Between ages 30 and 70 * Must be willing and able to participate in venipuncture, health history and clinical assessments, passive monitoring (Oura ring), and continuous in-home Blushield device usage Exclusion Criteria: * Significant change in diagnosis and/or treatment of major illness or injury within 2 years prior to screening, e.g., diabetes, cancer, cardiovascular disease, psychiatric condition 2. Any ongoing immune system concerns or immunodeficiency disease * History of any viral illness in preceding year * Body mass index (BMI) \> 35 kg/m2 * Presence of active infection * Any other illness, disorder, alcohol or chemical dependence that in the opinion of investigators would render study participation unsuitable * Unable or unwilling to provide required biological sample * Unable or unwilling to avoid pregnancy during study period