How much of that cleaner gets inside you? new study tests tracking methods

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

* INCLUSION CRITERIA: * Individuals born female will be recruited for this study. * Individuals must be between 35 and 74 years old at the time of enrollment. * Individuals must be a non-smoker living in a non-smoking home. Individuals who are former smokers or live with a former smoker must be at least one year smoke free at the time of enrollment. * Individuals must be non-pregnant and non-nursing at the time of enrollment. * Individuals will not be selected for specific preexisting health conditions but will be excluded if any of the conditions described in Section 5.2 (EXCL 5) are present at the time of enrollment. * Individuals who spend a majority of their time in the home each day will be recruited for this study. This includes individuals who work from home, are stay-at-home caretakers, retired, unemployed, etc. * Individuals must use a high number of consumer products. A high consumer product user is someone who uses more than a certain number of products (e.g., 15 or more products a day). This number will be finalized following the completion of a separating screening activity by NIEHS under a separate IRB protocol, and will be defined prior to enrollment of participants in the study. EXCLUSION CRITERIA: * Persons born male or female-identifying transgender individuals will be excluded from the study population. * Individuals younger than 35 years old or older than 74 years old will be excluded from the study population. * Individuals who smoke, use tobacco products, or any form of electronic cigarettes, personal vaporizers, or electronic nicotine delivery systems will be excluded from the study population. Additionally, based on the pre-screening questionnaire individuals who live in homes with others who use one or more of these products will not be eligible to participate. Prescreening responses will be verified against cotinine test results from Screening Day 1 * Individuals who may be pregnant, are pregnant, or are nursing will be excluded from the study population. * Individuals with chronic kidney or liver disease or insulin-dependent diabetics based on pre-screening questionnaire will not be eligible to participate in the study. * Individuals who work outside of the home or spend a majority of their time each day outside of the home for other activities will be excluded from the study population. * Individuals who use less than a certain number of consumer products (e.g., 15 products per day) will be excluded from the study population.